Von Hagen, V. W. (1949). Ecuador and the Galápagos Islands (First edition.). University of Oklahoma Press.
Chicago Style (17th ed.) CitationVon Hagen, Víctor Wolfgang. Ecuador and the Galápagos Islands. First edition. Norman: University of Oklahoma Press, 1949.
MLA (8th ed.) CitationVon Hagen, Víctor Wolfgang. Ecuador and the Galápagos Islands. First edition. University of Oklahoma Press, 1949.
Warning: These citations may not always be 100% accurate.