APA (7th ed.) Citation

Evans, C., & Meggers, B. J. (1968). Archeological investigations on the Rio Napo, eastern Ecuador. Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Evans, Clifford, and Betty Jane Meggers. Archeological Investigations on the Rio Napo, Eastern Ecuador. Washington: Smithsonian Institution Press, 1968.

MLA (9th ed.) Citation

Evans, Clifford, and Betty Jane Meggers. Archeological Investigations on the Rio Napo, Eastern Ecuador. Smithsonian Institution Press, 1968.