Cita APA (7a ed.)

Orr, W., & Castelao, P. (2012). Wanted! A guinea pig called Henry. Henry Holt and Co..

Cita Chicago Style (17a ed.)

Orr, Wendy, y Patricia Castelao. Wanted! A Guinea Pig Called Henry. New York: Henry Holt and Co., 2012.

Cita MLA (8a ed.)

Orr, Wendy, y Patricia Castelao. Wanted! A Guinea Pig Called Henry. Henry Holt and Co., 2012.