APA (7e ed.) Bronvermelding
Sheldon, C. M. (1948). In His steps to-day. David C. Cook.
Chicago (17e ed.) Bronvermelding
Sheldon, Charles M. In His Steps To-day. Illinois: David C. Cook, 1948.
MLA (9e ed.) Bronvermelding
Sheldon, Charles M. In His Steps To-day. David C. Cook, 1948.
Let op: Deze citaties zijn niet altijd 100% accuraat.