Cita APA (7a ed.)

Winkler, D. W. (2006). Roosts and migrations of swallows.

Cita Chicago Style (17a ed.)

Winkler, David W. Roosts and Migrations of Swallows. 2006.

Cita MLA (8a ed.)

Winkler, David W. Roosts and Migrations of Swallows. 2006.