Cita APA (7a ed.)

Howell, B. F. (1959). Introduction to geophysics. McGraw-Hill.

Cita Chicago Style (17a ed.)

Howell, Benjamin Franklin. Introduction to Geophysics. New York: McGraw-Hill, 1959.

Cita MLA (9a ed.)

Howell, Benjamin Franklin. Introduction to Geophysics. McGraw-Hill, 1959.