Using Sources

Study carefully Raimes's discussion of how to incorporate source material into your text effectively (126-49), especially the guidelines for using direct quotations (137-43). Be sure to integrate quotation fully into your own sentences, and always avoid isolated quoted sentences. Isolated quotations occur when writers make statements of their own, ending with a period; then quote a whole sentence from a source, ending with another period; then make another statement or, still worse, insert yet another whole quoted sentence and so on. Such patchwork use of sources is evidence of careless attention to subordinating the research to the development of the writer's own point of view. See also the exercise in using sources in the paper.

A good example of the problem, along with good advice for avoiding it, is offered by Raimes (88-89). The following comments may also help:

On the contrary, she gives up her visits because they remind her only of what she lacks: "She would weep for the entire day [after a visit with Jeanne] . . . with sorrow, regret, despair, and misery" (4). 
According to Thompson and Sherman, "[w]restlers constitute the one group of male athletes most often mentioned as a population at risk for sports-induced eating disturbances" (47).
The origin of Mathilde's materialism can be explained by the influence of a culture that failed to encourage women to develop abilities and assets beyond "their beauty, their grace, . . . their charm," and "their inborn finesse, their elegant taste, their engaging personalities" (3-4). [From the sample primary source paper on "The Necklace."]
Be careful to reproduce quoted material exactly as you find it in the original.
This study sheds light particularly on problems associated with the former Soviet space program. It "helps to explain why cosmonauts faint and get oedema [swelling from accumulation of fluid] after long missions. . . . When they return from space their withered arterial muscles cannot cope with the force of gravity," which "will pull blood away from the head and down to the feet" ("Gravity" 92).
But Wesley Hymer, a Pennsylvania State researcher, has stated that adapting to space or readapting on earth "may not be 'straightforward'" (qtd. in Joyce 22).
When you are punctuating a sentence containing quotation, remember that periods and commas always go inside the quotation marks. An apparent exception that is not really an exception is a case in which parenthetical in-text documentation is used at the end of a sentence. In such cases, the period goes after the parenthetical documentation--simply because that is where the sentence ends. (The same holds true for in-text documentation at the end of a part of the sentence set off by a comma.) Other marks of punctuation go inside the quotation marks only if they are part of the original passage. If the sentence you are quoting is a question in the original, for instance, then the question mark would be retained inside the quotation marks, and, if in-text documentation ends the sentence, then a period follows the parenthesis.

According to Raimes (141-42), you should indent ("block" or "set off") a quotation that will become more than four lines long in your paper. In such cases, you should not add quotation marks (although, of course, you would retain any that are part of the original). The indenting of the quotation tells your reader that the whole passage is quoted. NB Do not single space a blocked quotation. Everything in the paper, including title page and outline, should be double spaced.

Riley's study offers this explanation:
Muscles can function only if they "receive signals from the brain which are transmitted down motor nerves to the muscle," but Riley's examination of other rat muscle specimens showed that nerve terminals had deteriorated. Because of the decrease in nerve input, cell death or muscle fiber shrinkage can occur. (Qtd. in McDonald)
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