APA (7th ed.) Zitazioa

Sutherland, W. J. (1997). Ecological census techniques: A handbook. Univ. Pr.

Chicago Style (17th ed.) Zitazioa

Sutherland, William J. Ecological Census Techniques: A Handbook. Cambridge: Univ. Pr, 1997.

MLA (9th ed.) Zitazioa

Sutherland, William J. Ecological Census Techniques: A Handbook. Univ. Pr, 1997.