APA (7th ed.) Citation

King, W. L. (1960). Lincoln's manager David Davis. Harvard Univ. Press.

Chicago Style (17th ed.) Citation

King, Willard L. Lincoln's Manager David Davis. Cambridge, Mass: Harvard Univ. Press, 1960.

MLA (9th ed.) Citation

King, Willard L. Lincoln's Manager David Davis. Harvard Univ. Press, 1960.