APA (7th ed.) Citation

Douglas, R., Wanamaker, S., & Falk, P. (2009). Columbo. Ringier.

Chicago Style (17th ed.) Citation

Douglas, Robert, Sam Wanamaker, and Peter Falk. Columbo. [Bratislava]: Ringier, 2009.

MLA (9th ed.) Citation

Douglas, Robert, et al. Columbo. Ringier, 2009.