Steadman, D. W., & Zousmer, S. (1988). Galápagos: Discovery on Darwin's Islands. Estados Unidos: Smithsonian Institution.
Chicago Style CitationSteadman, David W., and Steven Zousmer. Galápagos: Discovery On Darwin's Islands. Estados Unidos: Smithsonian Institution, 1988.
MLA CitationSteadman, David W., and Steven Zousmer. Galápagos: Discovery On Darwin's Islands. Estados Unidos: Smithsonian Institution, 1988.
Warning: These citations may not always be 100% accurate.