Cita APA (7th ed.)

Sauermost, R. (2001). Flocculus - Gzhelian-Stufe. Spektrum Akad. Verl..

Cita Chicago (17th ed.)

Sauermost, Rolf. Flocculus - Gzhelian-Stufe. Heidelberg: Spektrum Akad. Verl., 2001.

Cita MLA (8th ed.)

Sauermost, Rolf. Flocculus - Gzhelian-Stufe. Spektrum Akad. Verl., 2001.