APA-Zitierstil (7. Ausg.)

Sertillanges, A., & Ryan, M. P. (1998). The intellectual life: Its spirit, conditions, methods. Catholic University of America Press.

Chicago-Zitierstil (17. Ausg.)

Sertillanges, A.-D., und Mary Perkins Ryan. The Intellectual Life: Its Spirit, Conditions, Methods. Washington, D.C.: Catholic University of America Press, 1998.

MLA-Zitierstil (9. Ausg.)

Sertillanges, A.-D., und Mary Perkins Ryan. The Intellectual Life: Its Spirit, Conditions, Methods. Catholic University of America Press, 1998.