APA

van der Werff H., . (1983). Species number, area and habitat diversity in the Galápagos Islands. : .

Chicago

van der Werff Henk, . 1983. Species number, area and habitat diversity in the Galápagos Islands. : .

Harvard

van der Werff H., . (1983). Species number, area and habitat diversity in the Galápagos Islands. : .

MLA

van der Werff Henk, . Species number, area and habitat diversity in the Galápagos Islands. : . 1983.