APA

Swarth H. S., . (1922). Birds and mammals of the Stikine River region of northern British Columbia and southeastern Alaska. Berkeley, Calif: University of California Press.

Chicago

Swarth Harry S, . 1922. Birds and mammals of the Stikine River region of northern British Columbia and southeastern Alaska. Berkeley, Calif: University of California Press.

Harvard

Swarth H. S., . (1922). Birds and mammals of the Stikine River region of northern British Columbia and southeastern Alaska. Berkeley, Calif: University of California Press.

MLA

Swarth Harry S, . Birds and mammals of the Stikine River region of northern British Columbia and southeastern Alaska. Berkeley, Calif: University of California Press. 1922.