APA (7th ed.) Citation

Jones, B. F., & Thelen, J. N. (1990). Have you seen a zigongosaurus?: Worksheets. Zaner-Bloser.

Chicago Style (17th ed.) Citation

Jones, Beau Fly, and Judith N. Thelen. Have You Seen a Zigongosaurus?: Worksheets. Columbus, Ohio: Zaner-Bloser, 1990.

MLA (9th ed.) Citation

Jones, Beau Fly, and Judith N. Thelen. Have You Seen a Zigongosaurus?: Worksheets. Zaner-Bloser, 1990.