Gregory, W. K., Hellman, M., & Lewis, G. E. (1938). Fossil anthropoids of the Yale-Cambridge Indian expedition of 1935. Carnegie institution of Washington.
Chicago Style (17th ed.) CitationGregory, William K., Milo Hellman, and G. Edward Lewis. Fossil Anthropoids of the Yale-Cambridge Indian Expedition of 1935. Washington: Carnegie institution of Washington, 1938.
MLA (9th ed.) CitationGregory, William K., et al. Fossil Anthropoids of the Yale-Cambridge Indian Expedition of 1935. Carnegie institution of Washington, 1938.
Warning: These citations may not always be 100% accurate.