Gwinner, E. (1990). Bird Migration. Springer-Verlag.
Citación estilo ChicagoGwinner, Eberhard. Bird Migration. New York: Springer-Verlag, 1990.
Cita MLAGwinner, Eberhard. Bird Migration. Springer-Verlag, 1990.
Warning: These citations may not always be 100% accurate.