Armstrong, D. F. (2002). Original signs: Gesture, sign, and the sources of language (Paperback ed.). Gallaudet Univ. Press.
Chicago Style (17th ed.) CitationArmstrong, David F. Original Signs: Gesture, Sign, and the Sources of Language. Paperback ed. Washington, DC: Gallaudet Univ. Press, 2002.
MLA (9th ed.) CitationArmstrong, David F. Original Signs: Gesture, Sign, and the Sources of Language. Paperback ed. Gallaudet Univ. Press, 2002.
Warning: These citations may not always be 100% accurate.