Citazione Stile APA (7a Edizione)

HOOVER, E. M. (1963). Location of economic activity. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

HOOVER, Edgar M. Location of Economic Activity. New York: McGraw-Hill, 1963.

Citatione MLA (9a ed.)

HOOVER, Edgar M. Location of Economic Activity. McGraw-Hill, 1963.