Cita APA (7th ed.)

Berg, S., Engler, M., & Moos, D. (2004). Ingrid Calame, Mathilde ter Heijne, Jörg Wagner.

Cita Chicago (17th ed.)

Berg, Stephan, Martin Engler, i David Moos. Ingrid Calame, Mathilde Ter Heijne, Jörg Wagner. Hannover, 2004.

Cita MLA (8th ed.)

Berg, Stephan, et al. Ingrid Calame, Mathilde Ter Heijne, Jörg Wagner. 2004.