Cita APA (7a ed.)

Osborne, M. P., & Murdocca, S. (2017). Eve of the Emperor penguin. A Stepping Stone Book/Random House.

Cita Chicago Style (17a ed.)

Osborne, Mary Pope, y Sal Murdocca. Eve of the Emperor Penguin. New York: A Stepping Stone Book/Random House, 2017.

Cita MLA (8a ed.)

Osborne, Mary Pope, y Sal Murdocca. Eve of the Emperor Penguin. A Stepping Stone Book/Random House, 2017.

Precaución: Estas citas no son 100% exactas.