Citazione Stile APA (7a Edizione)

Culbertson, J. M. (1971). Economic development: An ecological approach ([1st ed.].). Knopf.

Citazione stile Chigago Style (17a edizione)

Culbertson, John Mathew. Economic Development: An Ecological Approach. [1st ed.]. New York: Knopf, 1971.

Citatione MLA (9a ed.)

Culbertson, John Mathew. Economic Development: An Ecological Approach. [1st ed.]. Knopf, 1971.