APA (7th ed.) Citation

Grimes, B. F., Pittman, R. S., & Grimes, J. E. (1974). Ethnologue (8th ed.). Wycliffe Bible Translators.

Chicago Style (17th ed.) Citation

Grimes, Barbara F., Richard Saunders Pittman, and Joseph Evans Grimes. Ethnologue. 8th ed. Huntington Beach, Calif.: Wycliffe Bible Translators, 1974.

MLA (9th ed.) Citation

Grimes, Barbara F., et al. Ethnologue. 8th ed. Wycliffe Bible Translators, 1974.