Style de citation APA (7e éd.)

Purves, W. K., & Orians, G. H. (1983). Life: The science of biology. W. Grant Press.

Style de citation Chicago (17e éd.)

Purves, William Kirkwood, et Gordon H. Orians. Life: The Science of Biology. Sinauer Associates: W. Grant Press, 1983.

Style de citation MLA (9e éd.)

Purves, William Kirkwood, et Gordon H. Orians. Life: The Science of Biology. W. Grant Press, 1983.