APA

Haviland M. D., . (1926). Forest, Steppe & Tundra: Studies in Animal Environment. Cambridge: Cambridge University Press.

Chicago

Haviland Maud D, . 1926. Forest, Steppe & Tundra: Studies in Animal Environment. Cambridge: Cambridge University Press.

Harvard

Haviland M. D., . (1926). Forest, Steppe & Tundra: Studies in Animal Environment. Cambridge: Cambridge University Press.

MLA

Haviland Maud D, . Forest, Steppe & Tundra: Studies in Animal Environment. Cambridge: Cambridge University Press. 1926.