Cita APA (7a ed.)

Hobbs, W. H. (1907). Earthquakes: An introduction to seisme geology. Appleton.

Cita Chicago Style (17a ed.)

Hobbs, William Herbert. Earthquakes: An Introduction to Seisme Geology. New York: Appleton, 1907.

Cita MLA (9a ed.)

Hobbs, William Herbert. Earthquakes: An Introduction to Seisme Geology. Appleton, 1907.