APA (7th ed.) Citation

Gunther, J. (1969). Twelve cities ([Book Club ed.].). Harper & Row.

Chicago Style (17th ed.) Citation

Gunther, John. Twelve Cities. [Book Club ed.]. New York: Harper & Row, 1969.

MLA (9th ed.) Citation

Gunther, John. Twelve Cities. [Book Club ed.]. Harper & Row, 1969.