Cita APA (7a ed.)

Keyser, L. S. (1953). A system of christian evidence (10th ed.). Lutheran literary board.

Cita Chicago Style (17a ed.)

Keyser, Leander S. A System of Christian Evidence. 10th ed. Burlington: Lutheran literary board, 1953.

Cita MLA (9a ed.)

Keyser, Leander S. A System of Christian Evidence. 10th ed. Lutheran literary board, 1953.