Citazione Stile APA (7a Edizione)

Higgins, B. H., & Higgins, J. (1979). Economic development of a small planet. Norton.

Citazione stile Chigago Style (17a edizione)

Higgins, Benjamin Howard, e Jean Higgins. Economic Development of a Small Planet. New York: Norton, 1979.

Citatione MLA (9a ed.)

Higgins, Benjamin Howard, e Jean Higgins. Economic Development of a Small Planet. Norton, 1979.