APA (7th ed.) Citation

Luckman, H. A., & Kulzer, L. (1999). Purity of Heart in Early Ascetic and Monastic Literature. Liturgical Press.

Chicago Style (17th ed.) Citation

Luckman, Harriet A., and Linda Kulzer. Purity of Heart in Early Ascetic and Monastic Literature. Collegeville (MI): Liturgical Press, 1999.

MLA (9th ed.) Citation

Luckman, Harriet A., and Linda Kulzer. Purity of Heart in Early Ascetic and Monastic Literature. Liturgical Press, 1999.