Cita APA (7th ed.)

Fietz, A., Bruhns, M., & Fietz, G. (2000). Gerhard Fietz. [Fietz].

Cita Chicago (17th ed.)

Fietz, Anne, Maike Bruhns, i Gerhard Fietz. Gerhard Fietz. [Göddingen]: [Fietz], 2000.

Cita MLA (8th ed.)

Fietz, Anne, et al. Gerhard Fietz. [Fietz], 2000.