APA

Bowman R. I., . (1959). A plea for an international biological station on the Galápagos Islands. : .

Chicago

Bowman Robert I, . 1959. A plea for an international biological station on the Galápagos Islands. : .

Harvard

Bowman R. I., . (1959). A plea for an international biological station on the Galápagos Islands. : .

MLA

Bowman Robert I, . A plea for an international biological station on the Galápagos Islands. : . 1959.