King, M. L., Warnock, R. G., & King, C. S. (2017). A gift of love: Sermons from Strength to love and other preachings. Penguin Books.
芝加哥风格引文King, Martin Luther, Raphael G. Warnock, 与 Coretta Scott King. A Gift of Love: Sermons from Strength to Love and Other Preachings. UK: Penguin Books, 2017.
MLA引文King, Martin Luther, et al. A Gift of Love: Sermons from Strength to Love and Other Preachings. Penguin Books, 2017.
警告：这些引文格式不一定是100％准确.