Cita APA

 Moore, R. (2013).  Understanding Galápagos: What you''ll see and what it means.  McGraw-Hill.

Chicago Style Citation

 Moore, Randy.  Understanding Galápagos: What You''ll See and What It Means.  McGraw-Hill, 2013.

Cita MLA

 Moore, Randy.  Understanding Galápagos: What You''ll See and What It Means.  McGraw-Hill, 2013.