APA (7th ed.) Zitazioa

Maynard Smith, J. (1986). The problems of biology. Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Maynard Smith, John. The Problems of Biology. Oxford: Oxford University Press, 1986.

MLA (9th ed.) Zitazioa

Maynard Smith, John. The Problems of Biology. Oxford University Press, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.