Παραπομπή σε μορφή APA (7η εκδ.)

Ackerman, E., & Hirner, D. (1996). Under The Bigtop with Schoenhuts Humpty Dumpty Circus. Gold Horse Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ackerman, Evelyn, και David Hirner. Under The Bigtop with Schoenhuts Humpty Dumpty Circus. Annapolis/Maryland: Gold Horse Publishing, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ackerman, Evelyn, και David Hirner. Under The Bigtop with Schoenhuts Humpty Dumpty Circus. Gold Horse Publishing, 1996.