Cita APA (7th ed.)

Gundolf, F., Kahler, E. v., Pott, K., & Kruse, P. (2012). 1923 - 1931. Wallstein-Verl..

Cita Chicago (17th ed.)

Gundolf, Friedrich, Erich von Kahler, Klaus Pott, i Petra Kruse. 1923 - 1931. Göttingen: Wallstein-Verl., 2012.

Cita MLA (8th ed.)

Gundolf, Friedrich, et al. 1923 - 1931. Wallstein-Verl., 2012.