APA

Dall W. H., . (1895). New species of land-shells from the Galapagos Islands. : .

Chicago

Dall William H, . 1895. New species of land-shells from the Galapagos Islands. : .

Harvard

Dall W. H., . (1895). New species of land-shells from the Galapagos Islands. : .

MLA

Dall William H, . New species of land-shells from the Galapagos Islands. : . 1895.