Cita APA (7th ed.)

Schaeffer, F. A. (1971). True spirituality. Tyndale.

Cita Chicago (17th ed.)

Schaeffer, Francis A. True Spirituality. Wheaton: Tyndale, 1971.

Cita MLA (9th ed.)

Schaeffer, Francis A. True Spirituality. Tyndale, 1971.