APA (7th ed.) Zitazioa

Müller-Schwarze, D. (2011). The beaver: Its life and impact (2nd ed.). Comstock Pub. Associates.

Chicago Style (17th ed.) Zitazioa

Müller-Schwarze, Dietland. The Beaver: Its Life and Impact. 2nd ed. Ithaca: Comstock Pub. Associates, 2011.

MLA (9th ed.) Zitazioa

Müller-Schwarze, Dietland. The Beaver: Its Life and Impact. 2nd ed. Comstock Pub. Associates, 2011.