एपीए उद्धरण

Campbell, L. (1959). Letters to Louise: Theodore Dreiser's Letters To Louise Campbell. Philadelphia: University of Pennsylvania Press.

शिकागो स्टाइल उद्धरण

Campbell, Louise. Letters to Louise: Theodore Dreiser's Letters To Louise Campbell. Philadelphia: University of Pennsylvania Press, 1959.

एमएलए उद्धरण

Campbell, Louise. Letters to Louise: Theodore Dreiser's Letters To Louise Campbell. Philadelphia: University of Pennsylvania Press, 1959.