Cita APA (7a ed.)

Kean, R., & Zack. (2013). The warrior's boy: [illustrations] by Zack. [Text: Roger Kean]. Gmünder.

Cita Chicago Style (17a ed.)

Kean, Roger, y Zack. The Warrior's Boy: [illustrations] by Zack. [Text: Roger Kean]. Berlin: Gmünder, 2013.

Cita MLA (8a ed.)

Kean, Roger, y Zack. The Warrior's Boy: [illustrations] by Zack. [Text: Roger Kean]. Gmünder, 2013.