Cita APA (7a ed.)

Andrews, D. (2007). The penguin who knew too much. Thomas Dunne Books/St. Martin's Minotaur.

Cita Chicago Style (17a ed.)

Andrews, Donna. The Penguin Who Knew Too Much. New York: Thomas Dunne Books/St. Martin's Minotaur, 2007.

Cita MLA (8a ed.)

Andrews, Donna. The Penguin Who Knew Too Much. Thomas Dunne Books/St. Martin's Minotaur, 2007.

Precaución: Estas citas no son 100% exactas.