Cita APA (7th ed.)

Randall, B. (1991). When is a pig a hogn: A guide to confoundingly related English words. Prentice Hall.

Cita Chicago (17th ed.)

Randall, Bernice. When Is a Pig a Hogn: A Guide to Confoundingly Related English Words. New York: Prentice Hall, 1991.

Cita MLA (9th ed.)

Randall, Bernice. When Is a Pig a Hogn: A Guide to Confoundingly Related English Words. Prentice Hall, 1991.