Cita APA

Whitlock, H. (1946). A story of the gems: A popular handbook. Emerson Books Inc.

Citación estilo Chicago

Whitlock, Herbert. A Story of the Gems: A Popular Handbook. New York: Emerson Books Inc, 1946.

Cita MLA

Whitlock, Herbert. A Story of the Gems: A Popular Handbook. Emerson Books Inc, 1946.