APA
Breaul K. H., Lepper J. H. & Kottenhahn R. (1939). Cassells's new German and English dictionary, with a phonetic key to p[ronucniation. New York: Funk and Wagnalls Co.
Chicago
Breaul Karl H, Lepper John Heron and Kottenhahn Rudolph. 1939. Cassells's new German and English dictionary, with a phonetic key to p[ronucniation. New York: Funk and Wagnalls Co.
Harvard
Breaul K. H., Lepper J. H. and Kottenhahn R. (1939). Cassells's new German and English dictionary, with a phonetic key to p[ronucniation. New York: Funk and Wagnalls Co.
MLA
Breaul Karl H, Lepper John Heron and Kottenhahn Rudolph. Cassells's new German and English dictionary, with a phonetic key to p[ronucniation. New York: Funk and Wagnalls Co. 1939.