APA (7th ed.) Citation

Porter, L. B. (2001). Sheep and shepherd: An ancient image of the Church and a contemporary challenge. Gregorianum, 82(1), 51-85.

Chicago Style (17th ed.) Citation

Porter, Lawrence B. "Sheep and Shepherd: An Ancient Image of the Church and a Contemporary Challenge." Gregorianum 82, no. 1 (2001): 51-85.

MLA (9th ed.) Citation

Porter, Lawrence B. "Sheep and Shepherd: An Ancient Image of the Church and a Contemporary Challenge." Gregorianum, vol. 82, no. 1, 2001, pp. 51-85.

Warning: These citations may not always be 100% accurate.