APA

Schmidt W., . (1939). The culture historical method of ethnology: the scientific approach to the racial question. New York: Fourtuny's.

Chicago

Schmidt Wilhelm, . 1939. The culture historical method of ethnology: the scientific approach to the racial question. New York: Fourtuny's.

Harvard

Schmidt W., . (1939). The culture historical method of ethnology: the scientific approach to the racial question. New York: Fourtuny's.

MLA

Schmidt Wilhelm, . The culture historical method of ethnology: the scientific approach to the racial question. New York: Fourtuny's. 1939.