Cita APA

Whitlock, H. P., & Whitlock, H. P. (1930). The collection of minerals in the American Museum of Natural History (4. rev. edition --.). New York, New York: American Museum of Natural History.

Citación estilo Chicago

Whitlock, Herbert P., y Herbert P. Whitlock. The Collection of Minerals in the American Museum of Natural History. 4. rev. edition --. New York, New York: American Museum of Natural History, 1930.

Cita MLA

Whitlock, Herbert P., y Herbert P. Whitlock. The Collection of Minerals in the American Museum of Natural History. 4. rev. edition --. New York, New York: American Museum of Natural History, 1930.