APA (7th ed.) Citation

Breul, K., Lepper, J. H., & Kottonhahn, R. (1939). Cassell's new German and English dictionary: With a phonetic key to pronunciation. Funk and Wagnalls.

Chicago Style (17th ed.) Citation

Breul, Karl, John Heron Lepper, and Rudolf Kottonhahn. Cassell's New German and English Dictionary: With a Phonetic Key to Pronunciation. New York: Funk and Wagnalls, 1939.

MLA (9th ed.) Citation

Breul, Karl, et al. Cassell's New German and English Dictionary: With a Phonetic Key to Pronunciation. Funk and Wagnalls, 1939.