APA (7th ed.) Citation

Fishman, J. A., Fodor, I., & Hagège, C. (1990). Language reform: History and future. Helmut Buske.

Chicago Style (17th ed.) Citation

Fishman, Joshua A., István Fodor, and Claude Hagège. Language Reform: History and Future. Hamburg: Helmut Buske, 1990.

MLA (9th ed.) Citation

Fishman, Joshua A., et al. Language Reform: History and Future. Helmut Buske, 1990.