Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

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.

Citace podle MLA (8th ed.)

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

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