Von Hagen, V. W. (1949). Ecuador and the Galápagos Islands (First edition.). University of Oklahoma Press.
Citación estilo ChicagoVon Hagen, Víctor Wolfgang. Ecuador and the Galápagos Islands. First edition. Norman: University of Oklahoma Press, 1949.
Cita MLAVon Hagen, Víctor Wolfgang. Ecuador and the Galápagos Islands. First edition. University of Oklahoma Press, 1949.
Warning: These citations may not always be 100% accurate.