Sherwood, G. H. (1920). Free nature education by the American Museum of Natural History in public schools and colleges: History and status of museum instruction and its extension to the schools of greater New York and vicinity. The Museum.
Chicago Style (17. basım) AtıfSherwood, George Herbert. Free Nature Education by the American Museum of Natural History in Public Schools and Colleges: History and Status of Museum Instruction and Its Extension to the Schools of Greater New York and Vicinity. New York: The Museum, 1920.
MLA (8th ed.) AtıfSherwood, George Herbert. Free Nature Education by the American Museum of Natural History in Public Schools and Colleges: History and Status of Museum Instruction and Its Extension to the Schools of Greater New York and Vicinity. The Museum, 1920.