APA (7th ed.) Citation

Christmann, H. H., & Rohlfs, G. (1993). Gerhard Rohlfs (1892-1986).

Chicago Style (17th ed.) Citation

Christmann, Hans Helmuth, and Gerhard Rohlfs. Gerhard Rohlfs (1892-1986). 1993.

MLA (9th ed.) Citation

Christmann, Hans Helmuth, and Gerhard Rohlfs. Gerhard Rohlfs (1892-1986). 1993.

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