Não informado. (2001). Annual Report of the Denver Museum of Natural History. Museum of Natural History.
Citação do estilo Chicago (17ª ed.)Não informado. Annual Report of the Denver Museum of Natural History. Denver, Colo: Museum of Natural History, 2001.
Citação MLA (8ª ed.)Não informado. Annual Report of the Denver Museum of Natural History. Museum of Natural History, 2001.
警告：这些引文格式不一定是100％准确.