Cita APA (7a ed.)
Smith, W. H. (1999). The Christian's secret of a happy life. Fleming H. Revell Company.
Cita Chicago Style (17a ed.)
Smith, W. Hannah. The Christian's Secret of a Happy Life. Westwood: Fleming H. Revell Company, 1999.
Cita MLA (9a ed.)
Smith, W. Hannah. The Christian's Secret of a Happy Life. Fleming H. Revell Company, 1999.
Precaución: Estas citas no son 100% exactas.