Cita APA (7th ed.)

Simon, R. B. (1981). Earthquake Interpretations: A manual for reading scismograms. William Kaufmann.

Cita Chicago (17th ed.)

Simon, Ruth B. Earthquake Interpretations: A Manual for Reading Scismograms. California: William Kaufmann, 1981.

Cita MLA (9th ed.)

Simon, Ruth B. Earthquake Interpretations: A Manual for Reading Scismograms. William Kaufmann, 1981.