APA (7th ed.) Citation

Hagen, Y. (1952). The Gyr-Falcon (Falco r. rusticolus L.) in Dovre, Norway: Some breeding records and food studies. Dybwad.

Chicago Style (17th ed.) Citation

Hagen, Yngvar. The Gyr-Falcon (Falco R. Rusticolus L.) in Dovre, Norway: Some Breeding Records and Food Studies. Oslo: Dybwad, 1952.

MLA (9th ed.) Citation

Hagen, Yngvar. The Gyr-Falcon (Falco R. Rusticolus L.) in Dovre, Norway: Some Breeding Records and Food Studies. Dybwad, 1952.