Cita APA (7th ed.)

Cook, R., & Guidall, G. (2006). Marker. Berkley Books.

Cita Chicago (17th ed.)

Cook, Robin, i George Guidall. Marker. New York: Berkley Books, 2006.

Cita MLA (9th ed.)

Cook, Robin, i George Guidall. Marker. Berkley Books, 2006.