APA (7th ed.) Citation

Keller, C., & Galdone, P. (1983). Norma Lee I don't knock on doors: Knock, knock jokes. Prentice-Hall.

Chicago Style (17th ed.) Citation

Keller, Charles, and Paul Galdone. Norma Lee I Don't Knock on Doors: Knock, Knock Jokes. Englewood Cliffs, N.J.: Prentice-Hall, 1983.

MLA (9th ed.) Citation

Keller, Charles, and Paul Galdone. Norma Lee I Don't Knock on Doors: Knock, Knock Jokes. Prentice-Hall, 1983.