APA (7e ed.) Bronvermelding
Sheldon, C. M. (1972). In His steps. Whitaker House..
Chicago (17e ed.) Bronvermelding
Sheldon, Charles M. In His Steps. U.S.A: Whitaker House., 1972.
MLA (9e ed.) Bronvermelding
Sheldon, Charles M. In His Steps. Whitaker House., 1972.
Let op: Deze citaties zijn niet altijd 100% accuraat.