MLA

Sapir, Edward, and Harry Hoijer. The Phonology and Morphology of the Navaho Language. Berkeley (Calif.): University of California press, 1967.

APA

Sapir, E., & Hoijer, H. (1967). The phonology and morphology of the Navaho language. Berkeley (Calif.): University of California press.

Chicago

Sapir, Edward, and Harry Hoijer. The Phonology and Morphology of the Navaho Language,. Berkeley (Calif.): University of California press, 1967.