Cita APA (7th ed.)

Mulcahy, W., & McKee, D. (2012). Zach apologizes. Free Spirit Pub..

Cita Chicago (17th ed.)

Mulcahy, William, i Darren McKee. Zach Apologizes. Minneapolis, MN: Free Spirit Pub., 2012.

Cita MLA (8th ed.)

Mulcahy, William, i Darren McKee. Zach Apologizes. Free Spirit Pub., 2012.