APA (7th ed.) Citation

Pearl, R. M. (1956). Rocks and minerals. Barnes & Noble.

Chicago Style (17th ed.) Citation

Pearl, Richard M. Rocks and Minerals. Nueva York: Barnes & Noble, 1956.

MLA (9th ed.) Citation

Pearl, Richard M. Rocks and Minerals. Barnes & Noble, 1956.

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