Cita APA (7th ed.)

Gwinner, E. (1990). Bird Migration. Springer-Verlag.

Cita Chicago (17th ed.)

Gwinner, Eberhard. Bird Migration. New York: Springer-Verlag, 1990.

Cita MLA (9th ed.)

Gwinner, Eberhard. Bird Migration. Springer-Verlag, 1990.