Citazione Stile APA (7a Edizione)

Hubbard Freeman & Farley, l. V. (1962). Great days of the circus (First edition.). American Heritage.

Citazione stile Chigago Style (17a edizione)

Hubbard Freeman e leonardo V. Farley. Great Days of the Circus. First edition. New York: American Heritage, 1962.

Citatione MLA (9a ed.)

Hubbard Freeman e leonardo V. Farley. Great Days of the Circus. First edition. American Heritage, 1962.