Cita APA (7a ed.)

Yapp, N. (1998). 1920s The Hulton Getty Picture Collection = Decades of the 20th Century = Dekaden des 20.Jahrhunderts = Décennies du XXe siècle. Könemann.

Cita Chicago Style (17a ed.)

Yapp, Nick. 1920s The Hulton Getty Picture Collection = Decades of the 20th Century = Dekaden Des 20.Jahrhunderts = Décennies Du XXe Siècle. Inglaterra: Könemann, 1998.

Cita MLA (8a ed.)

Yapp, Nick. 1920s The Hulton Getty Picture Collection = Decades of the 20th Century = Dekaden Des 20.Jahrhunderts = Décennies Du XXe Siècle. Könemann, 1998.