Cita APA (7a ed.)

Back Door Productions & Steves, R. (2009). Germany, Benelux & more. Back Door Productions.

Cita Chicago Style (17a ed.)

Back Door Productions y Rick Steves. Germany, Benelux & More. Edmonds, WA: Back Door Productions, 2009.

Cita MLA (8a ed.)

Back Door Productions y Rick Steves. Germany, Benelux & More. Back Door Productions, 2009.

Precaución: Estas citas no son 100% exactas.