MLA

Miller, Robert. The Linguistic Relativity Principle and Humboldtian Ethnolinguistics. Den Haag: Mouton, 1968.

APA

Miller, R. (1968). The Linguistic relativity principle and humboldtian ethnolinguistics. Den Haag: Mouton.

Chicago

Miller, Robert The Linguistic Relativity Principle and Humboldtian Ethnolinguistics. Den Haag: Mouton, 1968.