APA stil citiranja

Yapp, N. (1998). 1920s: 1920s : decades of the 20th century = Dekaden des 20. Jahrhunderts = decennies du XXe siecle. Köln: Könemann.

Chicago stil citiranja

Yapp, Nick. 1920s: 1920s : decades of the 20th century = Dekaden des 20. Jahrhunderts = decennies du XXe siecle. Köln: Könemann, 1998.

MLA stil citiranja

Yapp, Nick. 1920s: 1920s : decades of the 20th century = Dekaden des 20. Jahrhunderts = decennies du XXe siecle. Köln: Könemann, 1998.