Cita APA (7a ed.)

Alerstam, T. (1976). Bird migration in relation to wind and topography.

Cita Chicago Style (17a ed.)

Alerstam, Thomas. Bird Migration in Relation to Wind and Topography. 1976.

Cita MLA (8a ed.)

Alerstam, Thomas. Bird Migration in Relation to Wind and Topography. 1976.