APA (7th ed.) Citation

Spradley, J. L. (2012). Physics and chemistry of the earth. EBSCO Publishing.

Chicago Style (17th ed.) Citation

Spradley, Joseph L. Physics and Chemistry of the Earth. Ipswich, MA: EBSCO Publishing, 2012.

MLA (9th ed.) Citation

Spradley, Joseph L. Physics and Chemistry of the Earth. EBSCO Publishing, 2012.