Chicago: William Ernest Henley, "Invictus," Plays of William E. Henley and R.L. Stevenson, ed. Macaulay, G. C. (George Campbell), 1852-1915 and trans. Evans, Sebastian in Plays of William E. Henley and R.L. Stevenson Original Sources, accessed October 4, 2024, http://www.originalsources.com/Document.aspx?DocID=DA99KX5B6EJ5WQV.
MLA: Henley, William Ernest. "Invictus." Plays of William E. Henley and R.L. Stevenson, edited by Macaulay, G. C. (George Campbell), 1852-1915, and translated by Evans, Sebastian, in Plays of William E. Henley and R.L. Stevenson, Original Sources. 4 Oct. 2024. http://www.originalsources.com/Document.aspx?DocID=DA99KX5B6EJ5WQV.
Harvard: Henley, WE, 'Invictus' in Plays of William E. Henley and R.L. Stevenson, ed. and trans. . cited in , Plays of William E. Henley and R.L. Stevenson. Original Sources, retrieved 4 October 2024, from http://www.originalsources.com/Document.aspx?DocID=DA99KX5B6EJ5WQV.