APA (7th ed.) Citation

Gutenberg, B., & Richter, C. (1965). Seismicity of the earth and associated phenomena ([Second edition].). Hafner Pub. Co.

Chicago Style (17th ed.) Citation

Gutenberg, Beno, and Charles Richter. Seismicity of the Earth and Associated Phenomena. [Second edition]. New York: Hafner Pub. Co, 1965.

MLA (9th ed.) Citation

Gutenberg, Beno, and Charles Richter. Seismicity of the Earth and Associated Phenomena. [Second edition]. Hafner Pub. Co, 1965.