Παραπομπή σε μορφή APA (7η εκδ.)

North, S. U., & Widenhouse, P. M. (1945). Community study of the east sector of Providence, Rhode Island. Board of Home Missions, Cong'l. Christian Churches.

Παραπομπή σε μορφή Chicago (17η εκδ.)

North, Stanley U., και Philip M. Widenhouse. Community Study of the East Sector of Providence, Rhode Island. New York: Board of Home Missions, Cong'l. Christian Churches, 1945.

Παραπομπή σε μορφή MLA (8th εκδ.)

North, Stanley U., και Philip M. Widenhouse. Community Study of the East Sector of Providence, Rhode Island. Board of Home Missions, Cong'l. Christian Churches, 1945.