APA (7th ed.) Citation

Swarth, H. S. (1924). Birds and mammals of the Skeena River region of northern British Columbia. Univ. of California Press.

Chicago Style (17th ed.) Citation

Swarth, Harry S. Birds and Mammals of the Skeena River Region of Northern British Columbia. Berkeley, Calif: Univ. of California Press, 1924.

MLA (9th ed.) Citation

Swarth, Harry S. Birds and Mammals of the Skeena River Region of Northern British Columbia. Univ. of California Press, 1924.