APA (7th ed.) Citation

Keller, H. H., & Wahrig, G. (1973). German root lexicon. University of Miami Press.

Chicago Style (17th ed.) Citation

Keller, Howard H., and Gerhard Wahrig. German Root Lexicon. Coral Gables: University of Miami Press, 1973.

MLA (9th ed.) Citation

Keller, Howard H., and Gerhard Wahrig. German Root Lexicon. University of Miami Press, 1973.