APA (7th ed.) Citation

Donker Duyvis, P., & Honnef, K. (1990). Schräg. Braus.

Chicago Style (17th ed.) Citation

Donker Duyvis, Paul, and Klaus Honnef. Schräg. Heidelberg: Braus, 1990.

MLA (9th ed.) Citation

Donker Duyvis, Paul, and Klaus Honnef. Schräg. Braus, 1990.

Warning: These citations may not always be 100% accurate.