APA (7 वां संस्करण) प्रशस्ति पत्र

Day, D., & Ellsberg, R. (1992). Dorothy Day, selected writings: By little and by little. Orbis Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Day, Dorothy, और Robert Ellsberg. Dorothy Day, Selected Writings: By Little and by Little. Maryknoll, N.Y.: Orbis Books, 1992.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Day, Dorothy, और Robert Ellsberg. Dorothy Day, Selected Writings: By Little and by Little. Orbis Books, 1992.