Cita APA (7th ed.)
Orr, W. W. (1957). Seven rules for a happy Christian home. Scripture Press.
Cita Chicago (17th ed.)
Orr, William W. Seven Rules for a Happy Christian Home. Wheaton: Scripture Press, 1957.
Cita MLA (9th ed.)
Orr, William W. Seven Rules for a Happy Christian Home. Scripture Press, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.