Cita APA (7th ed.)

Nitt-Drießelmann, D., Stiller, S., & Wedemeier, J. (2012). HWWI Policy Paper.

Cita Chicago (17th ed.)

Nitt-Drießelmann, Dörte, Silvia Stiller, i Jan Wedemeier. HWWI Policy Paper. 2012.

Cita MLA (8th ed.)

Nitt-Drießelmann, Dörte, et al. HWWI Policy Paper. 2012.