APA (7th ed.) Citation

Kytzler, B., Rudolph, K., & Rüpke, J. (1994). Vorwort. Eduard Norden, 9-11.

Chicago Style (17th ed.) Citation

Kytzler, Bernhard, Kurt Rudolph, and Jörg Rüpke. "Vorwort." Eduard Norden 1994: 9-11.

MLA (9th ed.) Citation

Kytzler, Bernhard, et al. "Vorwort." Eduard Norden, 1994, pp. 9-11.