APA (7th ed.) Citation

Devoe, A. (1947). Speaking of animals: A book of nature studies. Creative Age Press.

Chicago Style (17th ed.) Citation

Devoe, Alan. Speaking of Animals: A Book of Nature Studies. New York: Creative Age Press, 1947.

MLA (9th ed.) Citation

Devoe, Alan. Speaking of Animals: A Book of Nature Studies. Creative Age Press, 1947.