Von Hagen, V. W. (1948). The green world of the naturalists: A treasury of five centuries of natural history in South America. Greenberg.
Chicago Style (17th ed.) CitationVon Hagen, Victor Wolfgang. The Green World of the Naturalists: A Treasury of Five Centuries of Natural History in South America. New York: Greenberg, 1948.
MLA (9th ed.) CitationVon Hagen, Victor Wolfgang. The Green World of the Naturalists: A Treasury of Five Centuries of Natural History in South America. Greenberg, 1948.
Warning: These citations may not always be 100% accurate.