Costello, E., & Lehman, L. A. (1995). Signing: How to speak with your hands (Rev. ed.). Bantam Books.
Chicago Style (17th ed.) CitationCostello, Elaine, and Lois A. Lehman. Signing: How to Speak with Your Hands. Rev. ed. Toronto, Ont: Bantam Books, 1995.
MLA (9th ed.) CitationCostello, Elaine, and Lois A. Lehman. Signing: How to Speak with Your Hands. Rev. ed. Bantam Books, 1995.
Warning: These citations may not always be 100% accurate.