APA (7th ed.) Zitazioa

Pechenik, J. A. (2010). A short guide to writing about biology (Seventh edition.). Longman.

Chicago Style (17th ed.) Zitazioa

Pechenik, Jan A. A Short Guide to Writing About Biology. Seventh edition. New York: Longman, 2010.

MLA (9th ed.) Zitazioa

Pechenik, Jan A. A Short Guide to Writing About Biology. Seventh edition. Longman, 2010.