Ackerman, E., & Hirner, D. (1996). Under The Bigtop with Schoenhuts Humpty Dumpty Circus. Gold Horse Publishing.
Chicago-Zitierstil (17. Ausg.)Ackerman, Evelyn, und David Hirner. Under The Bigtop with Schoenhuts Humpty Dumpty Circus. Annapolis/Maryland: Gold Horse Publishing, 1996.
MLA-Zitierstil (8. Ausg.)Ackerman, Evelyn, und David Hirner. Under The Bigtop with Schoenhuts Humpty Dumpty Circus. Gold Horse Publishing, 1996.
警告：這些引文格式不一定是100％准確.