APA

Fritts T. H., . (1981). Marine turtles of the Galápagos Islands and adjacent areas of the eastern Pacific on the basis of observations made by J. R. Slevin 1905-1906. : .

Chicago

Fritts Thomas H, . 1981. Marine turtles of the Galápagos Islands and adjacent areas of the eastern Pacific on the basis of observations made by J. R. Slevin 1905-1906. : .

Harvard

Fritts T. H., . (1981). Marine turtles of the Galápagos Islands and adjacent areas of the eastern Pacific on the basis of observations made by J. R. Slevin 1905-1906. : .

MLA

Fritts Thomas H, . Marine turtles of the Galápagos Islands and adjacent areas of the eastern Pacific on the basis of observations made by J. R. Slevin 1905-1906. : . 1981.