APA (7th ed.) Citation

Belloc, H. (1975). The yak, the python, the frog. Parents' Magazine Press.

Chicago Style (17th ed.) Citation

Belloc, Hilaire. The Yak, the Python, the Frog. New York: Parents' Magazine Press, 1975.

MLA (9th ed.) Citation

Belloc, Hilaire. The Yak, the Python, the Frog. Parents' Magazine Press, 1975.