Hubbard Freeman & Farley, l. V. (1962). Great days of the circus (First edition.). American Heritage.
芝加哥风格引文Hubbard Freeman 与 leonardo V. Farley. Great Days of the Circus. First edition. New York: American Heritage, 1962.
MLA引文Hubbard Freeman 与 leonardo V. Farley. Great Days of the Circus. First edition. American Heritage, 1962.
警告：这些引文格式不一定是100％准确.