APA (7th ed.) Citation

King, M. L., Jr., Carson, C., & Holloran, P. C. (1999). A knock at midnight: Inspiration from the great sermons of Martin Luther King, Jr. Little, Brown.

Chicago Style (17th ed.) Citation

King, Martin Luther, Jr., Clayborne Carson, and Peter C. Holloran. A Knock at Midnight: Inspiration from the Great Sermons of Martin Luther King, Jr. London: Little, Brown, 1999.

MLA (9th ed.) Citation

King, Martin Luther, Jr., et al. A Knock at Midnight: Inspiration from the Great Sermons of Martin Luther King, Jr. Little, Brown, 1999.