APA (7th ed.) Citation

Cowan, M. M. (1969). Tzotzil grammar (1. ed.). Summer Inst. of Linguistics of the Univ. of Oklahoma.

Chicago Style (17th ed.) Citation

Cowan, Marion M. Tzotzil Grammar. 1. ed. Norman, Okla: Summer Inst. of Linguistics of the Univ. of Oklahoma, 1969.

MLA (9th ed.) Citation

Cowan, Marion M. Tzotzil Grammar. 1. ed. Summer Inst. of Linguistics of the Univ. of Oklahoma, 1969.