APA (7th ed.) Citation

ROBERTS, RAPP, & WEBER. (1974). Encyclopedia of minerals. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

ROBERTS, RAPP, and WEBER. Encyclopedia of Minerals. New York: Van Nostrand Reinhold, 1974.

MLA (8th ed.) Citation

ROBERTS, et al. Encyclopedia of Minerals. Van Nostrand Reinhold, 1974.

Warning: These citations may not always be 100% accurate.