Cita APA (7a ed.)

Perkins, A., & Mathieu, J. (2003). The nose book (1st bright and early board book ed.). Random House.

Cita Chicago Style (17a ed.)

Perkins, Al, y Joe Mathieu. The Nose Book. 1st bright and early board book ed. New York, NY: Random House, 2003.

Cita MLA (8a ed.)

Perkins, Al, y Joe Mathieu. The Nose Book. 1st bright and early board book ed. Random House, 2003.