Cita APA

Roberts, W. L., Rapp, G. R. 1., & Weber, J. (1974). Encyclopedia of minerals. New York, New York: Van Nostrand Reinhold.

Citación estilo Chicago

Roberts, Willard Lincoln, George Robert 1931- Rapp, y Julius Weber. Encyclopedia of Minerals. New York, New York: Van Nostrand Reinhold, 1974.

Cita MLA

Roberts, Willard Lincoln, George Robert 1931- Rapp, y Julius Weber. Encyclopedia of Minerals. New York, New York: Van Nostrand Reinhold, 1974.