Παραπομπή σε μορφή APA (7η εκδ.)

Smallwood, W. M., & Greene, R. A. (1953). Greene and Bailey's Problems in biology: To accompany Elements of biology. Allyn and Bacon.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Smallwood, W. M., και Robert A. Greene. Greene and Bailey's Problems in Biology: To Accompany Elements of Biology. Boston: Allyn and Bacon, 1953.

Παραπομπή σε μορφή MLA (8th εκδ.)

Smallwood, W. M., και Robert A. Greene. Greene and Bailey's Problems in Biology: To Accompany Elements of Biology. Allyn and Bacon, 1953.