APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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