Cita APA (7a ed.)

Johnston, W. (1991). Letters to contemplatives. Orbis Books.

Cita Chicago Style (17a ed.)

Johnston, William. Letters to Contemplatives. Maryknoll, New York: Orbis Books, 1991.

Cita MLA (9a ed.)

Johnston, William. Letters to Contemplatives. Orbis Books, 1991.