APA-viite (7. p.)

Day, D., & Ellsberg, R. (1983). By little and by little: The selected writings of Dorothy Day. Knopf.

Chicago-viite (17. p.)

Day, Dorothy, ja Robert Ellsberg. By Little and by Little: The Selected Writings of Dorothy Day. New York: Knopf, 1983.

MLA-viite (8. p.)

Day, Dorothy, ja Robert Ellsberg. By Little and by Little: The Selected Writings of Dorothy Day. Knopf, 1983.