APA

Howell B., . (1959). Introduction to Geophysics. New York: McGraw-Hill.

Chicago

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

Harvard

Howell B., . (1959). Introduction to Geophysics. New York: McGraw-Hill.

MLA

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