APA (7e ed.) Bronvermelding
Bush, H. K. (2007). Mark Twain and the spiritual crisis of his age. University of Alabama Press.
Chicago (17e ed.) Bronvermelding
Bush, Harold K. Mark Twain and the Spiritual Crisis of His Age. Tuscaloosa: University of Alabama Press, 2007.
MLA (9e ed.) Bronvermelding
Bush, Harold K. Mark Twain and the Spiritual Crisis of His Age. University of Alabama Press, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.