APA (7th ed.) Zitazioa

Gershman, G., Thomson, M., & Ament, M. E. (2012). Practical pediatric gastrointestinal endoscopy (2nd ed.). Wiley-Blackwell.

Chicago Style (17th ed.) Zitazioa

Gershman, George, Mike Thomson, eta Marvin Earl Ament. Practical Pediatric Gastrointestinal Endoscopy. 2nd ed. Chichester, West Sussex: Wiley-Blackwell, 2012.

MLA (9th ed.) Zitazioa

Gershman, George, et al. Practical Pediatric Gastrointestinal Endoscopy. 2nd ed. Wiley-Blackwell, 2012.