APA (7th ed.) Citation

King, M. L., Jr., & Nelson, K. (2012). I have a dream. Schwartz & Wade Books.

Chicago Style (17th ed.) Citation

King, Martin Luther, Jr., and Kadir Nelson. I Have a Dream. New York: Schwartz & Wade Books, 2012.

MLA (9th ed.) Citation

King, Martin Luther, Jr., and Kadir Nelson. I Have a Dream. Schwartz & Wade Books, 2012.