Citazione Stile APA (7a Edizione)

Thompson, W. S. (1929). Danger spots in world population. Alfred A. Knopf.

Citazione stile Chigago Style (17a edizione)

Thompson, Warren Simpson. Danger Spots in World Population. New York: Alfred A. Knopf, 1929.

Citatione MLA (8a ed.)

Thompson, Warren Simpson. Danger Spots in World Population. Alfred A. Knopf, 1929.