Cita APA (7th ed.)

Sumner, J. S. (1969). Geophysics,geologic structures and tectonics. WM C. Brown Pub.

Cita Chicago (17th ed.)

Sumner, John Stewart. Geophysics,geologic Structures and Tectonics. Dubuque,Iowa: WM C. Brown Pub, 1969.

Cita MLA (9th ed.)

Sumner, John Stewart. Geophysics,geologic Structures and Tectonics. WM C. Brown Pub, 1969.