APA

Elisabeth D., . (1938). Holothurians from the western coasts of lower California and Central America, and from the Galápagos Islands. : .

Chicago

Elisabeth Deichmann, . 1938. Holothurians from the western coasts of lower California and Central America, and from the Galápagos Islands. : .

Harvard

Elisabeth D., . (1938). Holothurians from the western coasts of lower California and Central America, and from the Galápagos Islands. : .

MLA

Elisabeth Deichmann, . Holothurians from the western coasts of lower California and Central America, and from the Galápagos Islands. : . 1938.