Cita APA (7th ed.)

Walther, J. V. (2009). Essentials of geochemistry (2nd ed.). Jones & Bartlett Publishers.

Cita Chicago (17th ed.)

Walther, John V. Essentials of Geochemistry. 2nd ed. Sudbury, Mass: Jones & Bartlett Publishers, 2009.

Cita MLA (8th ed.)

Walther, John V. Essentials of Geochemistry. 2nd ed. Jones & Bartlett Publishers, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.