Cita APA (7a ed.)

Back Door Productions & Steves, R. (2010). Rick Steves' Europe. Backdoor Productions.

Cita Chicago Style (17a ed.)

Back Door Productions y Rick Steves. Rick Steves' Europe. Edmonds, WA: Backdoor Productions, 2010.

Cita MLA (8a ed.)

Back Door Productions y Rick Steves. Rick Steves' Europe. Backdoor Productions, 2010.

Precaución: Estas citas no son 100% exactas.