Nichols, M. (1993). The great apes: Between two worlds. National Geographic Society.
Cita Chicago Style (17a ed.)Nichols, Michael. The Great Apes: Between Two Worlds. Washington, D.C.: National Geographic Society, 1993.
Cita MLA (8a ed.)Nichols, Michael. The Great Apes: Between Two Worlds. National Geographic Society, 1993.
Precaución: Estas citas no son 100% exactas.