APA (7th ed.) Citation

Gelting, P. (1937). Studies on the food of the east Greenland ptarmigan: Especially in its relation to vegetation and snow-cover. C.A. Reitzel.

Chicago Style (17th ed.) Citation

Gelting, Paul. Studies on the Food of the East Greenland Ptarmigan: Especially in Its Relation to Vegetation and Snow-cover. København: C.A. Reitzel, 1937.

MLA (8th ed.) Citation

Gelting, Paul. Studies on the Food of the East Greenland Ptarmigan: Especially in Its Relation to Vegetation and Snow-cover. C.A. Reitzel, 1937.