APA (7th ed.) Citation

Salas, G. P. (1991). Economic geology, Mexico. Geological Soc. of America.

Chicago Style (17th ed.) Citation

Salas, Guillermo P. Economic Geology, Mexico. Boulder, Colo: Geological Soc. of America, 1991.

MLA (9th ed.) Citation

Salas, Guillermo P. Economic Geology, Mexico. Geological Soc. of America, 1991.