Cita APA (7a ed.)

Orr, W. L., & White, C. M. (1990). GEOCHEMISTRY of sulfur in fossil fuels. American Chemical Society.

Cita Chicago Style (17a ed.)

Orr, Wilson L., y Curt M. White. GEOCHEMISTRY of Sulfur in Fossil Fuels. Washington: American Chemical Society, 1990.

Cita MLA (8a ed.)

Orr, Wilson L., y Curt M. White. GEOCHEMISTRY of Sulfur in Fossil Fuels. American Chemical Society, 1990.