Cita APA (7a ed.)

Friedmann, H. (1929). The Cowbirds: A Study in the Biology of Social Parasitism. Charles C.Thomas.

Cita Chicago Style (17a ed.)

Friedmann, Herbert. The Cowbirds: A Study in the Biology of Social Parasitism. Springfield ; Baltimore: Charles C.Thomas, 1929.

Cita MLA (9a ed.)

Friedmann, Herbert. The Cowbirds: A Study in the Biology of Social Parasitism. Charles C.Thomas, 1929.