Cita APA (7a ed.)

Origen & Heine, R. E. (1989). Origen: Commentary on the Gospel according to John, books 1-10. Catholic University of America Press.

Cita Chicago Style (17a ed.)

Origen y Ronald E. Heine. Origen: Commentary on the Gospel According to John, Books 1-10. Washington, D.C.: Catholic University of America Press, 1989.

Cita MLA (8a ed.)

Origen y Ronald E. Heine. Origen: Commentary on the Gospel According to John, Books 1-10. Catholic University of America Press, 1989.