APA

Dawson E. Y., . (1970). A brief natural history of the Galapagos Islands for young people =. Washington: General Secretariat of the Organization of American States.

Chicago

Dawson Elmer Yale, . 1970. A brief natural history of the Galapagos Islands for young people =. Washington: General Secretariat of the Organization of American States.

Harvard

Dawson E. Y., . (1970). A brief natural history of the Galapagos Islands for young people =. Washington: General Secretariat of the Organization of American States.

MLA

Dawson Elmer Yale, . A brief natural history of the Galapagos Islands for young people =. Washington: General Secretariat of the Organization of American States. 1970.