Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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