APA (7th ed.) Citation

Cleary, B., & Zelinsky, P. O. (1983). Dear Mr. Henshaw. Morrow.

Chicago Style (17th ed.) Citation

Cleary, Beverly, and Paul O. Zelinsky. Dear Mr. Henshaw. New York: Morrow, 1983.

MLA (9th ed.) Citation

Cleary, Beverly, and Paul O. Zelinsky. Dear Mr. Henshaw. Morrow, 1983.