Henkel, P. (1811). The Christian catechism: Composed for the instruction of youth in the knowledge of the Christian religion, together with morning and evening hymns, prayers, etc (2nd ed.). Ambrose Henkel.
Chicago Style (17. basım) AtıfHenkel, Paul. The Christian Catechism: Composed for the Instruction of Youth in the Knowledge of the Christian Religion, Together with Morning and Evening Hymns, Prayers, Etc. 2nd ed. Shenandoah County, Va.: Ambrose Henkel, 1811.
MLA (8th ed.) AtıfHenkel, Paul. The Christian Catechism: Composed for the Instruction of Youth in the Knowledge of the Christian Religion, Together with Morning and Evening Hymns, Prayers, Etc. 2nd ed. Ambrose Henkel, 1811.
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