Cita APA (7th ed.)

Smith, H. W. The Christian's secret of a happy life. Fleming H.Revell Company.

Cita Chicago (17th ed.)

Smith, Hannah Whitall. The Christian's Secret of a Happy Life. Los Angeles: Fleming H.Revell Company.

Cita MLA (9th ed.)

Smith, Hannah Whitall. The Christian's Secret of a Happy Life. Fleming H.Revell Company.