Purves/Orians. (1987). The Science Of Biology. Sinauer Association Inc.
Chicago Style (17th ed.) CitationPurves/Orians. The Science Of Biology. Sinauer Association Inc, 1987.
MLA (8th ed.) CitationPurves/Orians. The Science Of Biology. Sinauer Association Inc, 1987.
Warning: These citations may not always be 100% accurate.