Cita APA (7a ed.)

Keil, C. F., & Douglas, G. C. M. (1991). Introduction to the Old Testament (2nd. printing.). Hendrickson.

Cita Chicago Style (17a ed.)

Keil, Carl Friedrich, y George Cunningham Monteath Douglas. Introduction to the Old Testament. 2nd. printing. Massachusetts: Hendrickson, 1991.

Cita MLA (9a ed.)

Keil, Carl Friedrich, y George Cunningham Monteath Douglas. Introduction to the Old Testament. 2nd. printing. Hendrickson, 1991.