APA (7th ed.) Zitazioa
Wilkins, J. S. (2009). Defining species: A sourcebook from antiquity to today. P. Lang.
Chicago Style (17th ed.) Zitazioa
Wilkins, John S. Defining Species: A Sourcebook from Antiquity to Today. New York: P. Lang, 2009.
MLA (9th ed.) Zitazioa
Wilkins, John S. Defining Species: A Sourcebook from Antiquity to Today. P. Lang, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.