Ackerman, E., & Hirner, D. (1996). Under The Bigtop with Schoenhuts Humpty Dumpty Circus. Gold Horse Publishing.
Cita Chicago (17th ed.)Ackerman, Evelyn, i David Hirner. Under The Bigtop with Schoenhuts Humpty Dumpty Circus. Annapolis/Maryland: Gold Horse Publishing, 1996.
Cita MLA (8th ed.)Ackerman, Evelyn, i David Hirner. Under The Bigtop with Schoenhuts Humpty Dumpty Circus. Gold Horse Publishing, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.