APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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