Cita APA (7th ed.)

Ahlberg, J., & Ahlberg, A. (1979). Each peach pear plum: An "I spy" story ([1st American ed.].). Viking Press.

Cita Chicago (17th ed.)

Ahlberg, Janet, i Allan Ahlberg. Each Peach Pear Plum: An "I Spy" Story. [1st American ed.]. New York: Viking Press, 1979.

Cita MLA (8th ed.)

Ahlberg, Janet, i Allan Ahlberg. Each Peach Pear Plum: An "I Spy" Story. [1st American ed.]. Viking Press, 1979.