APA (7th ed.) Citation

Howe, S. G. (1972). On the causes of idiocy. Arno Press.

Chicago Style (17th ed.) Citation

Howe, S. G. On the Causes of Idiocy. New York: Arno Press, 1972.

MLA (9th ed.) Citation

Howe, S. G. On the Causes of Idiocy. Arno Press, 1972.