Cita APA (7a ed.)

Grafen, A., & Sibly, R. (1978). MODEL OF MATE DESERTION.

Cita Chicago Style (17a ed.)

Grafen, A., y R. Sibly. MODEL OF MATE DESERTION. 1978.

Cita MLA (9a ed.)

Grafen, A., y R. Sibly. MODEL OF MATE DESERTION. 1978.