Cita APA (7th ed.)

Smith, H. W. (1952). The Christian's secret of a happy life. Revell.

Cita Chicago (17th ed.)

Smith, Hannah Whitall. The Christian's Secret of a Happy Life. Westwood, N.J.: Revell, 1952.

Cita MLA (9th ed.)

Smith, Hannah Whitall. The Christian's Secret of a Happy Life. Revell, 1952.