APA (7th ed.) Citation

Breul, K., Lepper, J. H., & Kottenhahn, R. (1947). Cassell's German and English dictionary. Cassell.

Chicago Style (17th ed.) Citation

Breul, Karl, John Heron Lepper, and Rudolph Kottenhahn. Cassell's German and English Dictionary. London: Cassell, 1947.

MLA (9th ed.) Citation

Breul, Karl, et al. Cassell's German and English Dictionary. Cassell, 1947.