Cita APA (7a ed.)

Bulgakov, S., & Smith, T. A. (2010). Jacob's ladder: On angels. William B. Eerdmans Publishing Company.

Cita Chicago Style (17a ed.)

Bulgakov, Sergiĭ, y T. Allan Smith. Jacob's Ladder: On Angels. Grand Rapids, Michigan: William B. Eerdmans Publishing Company, 2010.

Cita MLA (9a ed.)

Bulgakov, Sergiĭ, y T. Allan Smith. Jacob's Ladder: On Angels. William B. Eerdmans Publishing Company, 2010.