APA Style

Esper, E, A. (1968). Mentalism and objectivism in linguistics. The sources of leonard bloomfield's psychology of language . New York: American Elsevier Publishing Company.

MLA Style

Esper, Erwin, A.. "Mentalism and objectivism in linguistics. The sources of leonard bloomfield's psychology of language". New York: American Elsevier Publishing Company, 1968. Buku.