APA

Dall W. H., Ochsner W. H., . (1928). Tertiary and pleistocene mollusca from the Galapagos Islands. : .

Chicago

Dall William Healey, Ochsner Washington Henry, . 1928. Tertiary and pleistocene mollusca from the Galapagos Islands. : .

Harvard

Dall W. H., Ochsner W. H., . (1928). Tertiary and pleistocene mollusca from the Galapagos Islands. : .

MLA

Dall William Healey, Ochsner Washington Henry, . Tertiary and pleistocene mollusca from the Galapagos Islands. : . 1928.