APA (7th ed.) Citation
Smith, W. H. (1999). The Christian's secret of a happy life. Fleming H. Revell Company.
Chicago Style (17th ed.) Citation
Smith, W. Hannah. The Christian's Secret of a Happy Life. Westwood: Fleming H. Revell Company, 1999.
MLA (9th ed.) Citation
Smith, W. Hannah. The Christian's Secret of a Happy Life. Fleming H. Revell Company, 1999.
Warning: These citations may not always be 100% accurate.