O'Malley, W. J. (1976). A book about praying. Paulist Press.
Style de citation Chicago (17e éd.)O'Malley, William J. A Book About Praying. New York: Paulist Press, 1976.
Style de citation MLA (8e éd.)O'Malley, William J. A Book About Praying. Paulist Press, 1976.
Attention : ces citations peuvent ne pas être correctes à 100%.