Cita APA (7a ed.)

Knopoff, L., Drake, C., & Hart, P. (1968). The Crust and Uper Mantle of the Pacific Area. American Geohysical Union.

Cita Chicago Style (17a ed.)

Knopoff, Leon, Charles Drake, y Prembroke Hart. The Crust and Uper Mantle of the Pacific Area. Washington: American Geohysical Union, 1968.

Cita MLA (9a ed.)

Knopoff, Leon, et al. The Crust and Uper Mantle of the Pacific Area. American Geohysical Union, 1968.