Cita APA (7a ed.)

Gutenberg, B., & C.F., R. (1954). Seismicity of the earth and associated phenomena. Princeton University Press.

Cita Chicago Style (17a ed.)

Gutenberg, B., y Richter C.F. Seismicity of the Earth and Associated Phenomena. Princeton: Princeton University Press, 1954.

Cita MLA (9a ed.)

Gutenberg, B., y Richter C.F. Seismicity of the Earth and Associated Phenomena. Princeton University Press, 1954.