Cita APA (7a ed.)
Sheldon, C. M. (1948). In His steps to-day. David C. Cook.
Cita Chicago Style (17a ed.)
Sheldon, Charles M. In His Steps To-day. Illinois: David C. Cook, 1948.
Cita MLA (9a ed.)
Sheldon, Charles M. In His Steps To-day. David C. Cook, 1948.
Precaución: Estas citas no son 100% exactas.