APA Style

Grimes, B, F., Linguistics, S, I, O. (2000). Ethnologue. Volume 1: languages of the world . Texas: SIL internasional.

MLA Style

Grimes, Barbara, F., Linguistics, Summer, Institute, Of. "Ethnologue. Volume 1: languages of the world". Texas: SIL internasional, 2000. Text.