Cita APA (7a ed.)

Piatti, C. (1964). The happy owls ([1st U.S.A. ed.].). Atheneum.

Cita Chicago Style (17a ed.)

Piatti, Celestino. The Happy Owls. [1st U.S.A. ed.]. New York: Atheneum, 1964.

Cita MLA (9a ed.)

Piatti, Celestino. The Happy Owls. [1st U.S.A. ed.]. Atheneum, 1964.