APA (7th ed.) Citation

Krempel, U. (2005). Rolf Bier.

Chicago Style (17th ed.) Citation

Krempel, Ulrich. Rolf Bier. Hannover, 2005.

MLA (8th ed.) Citation

Krempel, Ulrich. Rolf Bier. 2005.

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