APA (7th ed.) Citation

Johnston, A. (1900). Animals of North America. Penguin Books.

Chicago Style (17th ed.) Citation

Johnston, Arnrid. Animals of North America. Harmondsworth, Middlesex ; New York: Penguin Books, 1900.

MLA (9th ed.) Citation

Johnston, Arnrid. Animals of North America. Penguin Books, 1900.