Cita APA

Gutenberg, B. n. 1., & Richter, C. F. n. (1996). Seismicity of the earth and associated phenomena: By B. Gytenberg and C. F. Richter. New York, New York: Hafner.

Citación estilo Chicago

Gutenberg, Beno n. 1889, y Charles Francis n.1900 Richter. Seismicity of the Earth and Associated Phenomena: By B. Gytenberg and C. F. Richter. New York, New York: Hafner, 1996.

Cita MLA

Gutenberg, Beno n. 1889, y Charles Francis n.1900 Richter. Seismicity of the Earth and Associated Phenomena: By B. Gytenberg and C. F. Richter. New York, New York: Hafner, 1996.