Não informado. (1935). Drama of the skies. American Museum of Natural History, Hayden Planetarium.
Citace podle Chicago (17th ed.)Não informado. Drama of the Skies. New York: American Museum of Natural History, Hayden Planetarium, 1935.
Citace podle MLA (8th ed.)Não informado. Drama of the Skies. American Museum of Natural History, Hayden Planetarium, 1935.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..