Cita APA (7a ed.)

Ladd, G. T. (1903). Modern Apologetics. The American journal of theology, 7(3), 523-543. doi:10.1086/478389

Cita Chicago Style (17a ed.)

Ladd, George Trumbull. "Modern Apologetics." The American Journal of Theology 7, no. 3 (1903): 523-543, https://doi.org/10.1086/478389.

Cita MLA (8a ed.)

Ladd, George Trumbull. "Modern Apologetics." The American Journal of Theology, vol. 7, no. 3, 1903, pp. 523-543, https://doi.org/10.1086/478389.

Precaución: Estas citas no son 100% exactas.