Cita APA (7a ed.)

Richter, C. (2009). Entertainment Values: Whistle while you work. Texte zur Kunst.

Cita Chicago Style (17a ed.)

Richter, Claus. "Entertainment Values: Whistle While You Work." Texte Zur Kunst 2009.

Cita MLA (8a ed.)

Richter, Claus. "Entertainment Values: Whistle While You Work." Texte Zur Kunst, 2009.