APA (7th ed.) Citation

Rosenbloom, J., & Behr, J. (1976). Doctor Knock-Knock's official knock-knock dictionary. Sterling Pub. Co..

Chicago Style (17th ed.) Citation

Rosenbloom, Joseph, and Joyce Behr. Doctor Knock-Knock's Official Knock-knock Dictionary. New York: Sterling Pub. Co., 1976.

MLA (9th ed.) Citation

Rosenbloom, Joseph, and Joyce Behr. Doctor Knock-Knock's Official Knock-knock Dictionary. Sterling Pub. Co., 1976.