APA (7th ed.) Zitazioa

Twain, M. (2001). Roughing it. Digital Scanning.

Chicago Style (17th ed.) Zitazioa

Twain, Mark. Roughing It. Scituate, Mass.: Digital Scanning, 2001.

MLA (9th ed.) Zitazioa

Twain, Mark. Roughing It. Digital Scanning, 2001.