APA

Powell M. J., . (1972). The hopi villages. Palmer Lake, Colorado: Filter Press.

Chicago

Powell Major J.W, . 1972. The hopi villages. Palmer Lake, Colorado: Filter Press.

Harvard

Powell M. J., . (1972). The hopi villages. Palmer Lake, Colorado: Filter Press.

MLA

Powell Major J.W, . The hopi villages. Palmer Lake, Colorado: Filter Press. 1972.