Citazione Stile APA (7a Edizione)

Clark, H. H. (1938). Addresses upon the American road. C. Scribner's Sons.

Citazione stile Chigago Style (17a edizione)

Clark, Herbert Hoover. Addresses upon the American Road. New York: C. Scribner's Sons, 1938.

Citatione MLA (9a ed.)

Clark, Herbert Hoover. Addresses upon the American Road. C. Scribner's Sons, 1938.