APA (7th ed.) Citation

Hammer, A. E., & Durrell, M. (1991). Hammer's German grammar and usage / A.E. Hammer (2nd ed.). Edward Arnold.

Chicago Style (17th ed.) Citation

Hammer, A. E., and Martin Durrell. Hammer's German Grammar and Usage / A.E. Hammer. 2nd ed. London: Edward Arnold, 1991.

MLA (9th ed.) Citation

Hammer, A. E., and Martin Durrell. Hammer's German Grammar and Usage / A.E. Hammer. 2nd ed. Edward Arnold, 1991.

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