APA

Walker B. W., . (1966). The origins and affinities of the Galápagos shorefishes. : .

Chicago

Walker Boyd W, . 1966. The origins and affinities of the Galápagos shorefishes. : .

Harvard

Walker B. W., . (1966). The origins and affinities of the Galápagos shorefishes. : .

MLA

Walker Boyd W, . The origins and affinities of the Galápagos shorefishes. : . 1966.