Peabody Museum Centennial Symposium Yale University, Peabody Museum of Natural History, & Drake, E. T. (1968). Evolution and environment: A symposium presented on the occasion of the one hundredth anniversary of the foundation of Peabody Museum of Natural History at Yale University. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Peabody Museum Centennial Symposium Yale University, Peabody Museum of Natural History, agus Ellen T. Drake. Evolution and Environment: A Symposium Presented on the Occasion of the One Hundredth Anniversary of the Foundation of Peabody Museum of Natural History at Yale University. New Haven: Yale University Press, 1968.
Lua MLA (9ú heag.)Peabody Museum Centennial Symposium Yale University, et al. Evolution and Environment: A Symposium Presented on the Occasion of the One Hundredth Anniversary of the Foundation of Peabody Museum of Natural History at Yale University. Yale University Press, 1968.