APA (7th ed.) Citation

Jones, B. F., Tinzmann, M. B., & Thelen, J. N. (1990). Ivory, is it worth the cost?: Worksheets. Zaner-Bloser.

Chicago Style (17th ed.) Citation

Jones, Beau Fly, Margaret Banker Tinzmann, and Judith N. Thelen. Ivory, Is It Worth the Cost?: Worksheets. Columbus, Ohio: Zaner-Bloser, 1990.

MLA (9th ed.) Citation

Jones, Beau Fly, et al. Ivory, Is It Worth the Cost?: Worksheets. Zaner-Bloser, 1990.