Richards, J. C., & Bohlke, D. (2012). Speak now 4: Communicate with confidence. New York: Oxford University Press.
Chicago Style CitationRichards, Jack C., and David Bohlke. Speak Now 4: Communicate With Confidence. New York: Oxford University Press, 2012.
MLA CitationRichards, Jack C., and David Bohlke. Speak Now 4: Communicate With Confidence. New York: Oxford University Press, 2012.
Warning: These citations may not always be 100% accurate.