APA-viite (7. p.)

Koren, H. J. (1990). Essays on the Spiritan charism and on Spiritan history. Spiritus Press.

Chicago-viite (17. p.)

Koren, Henry J. Essays on the Spiritan Charism and on Spiritan History. Bethel Park, Pa.: Spiritus Press, 1990.

MLA-viite (8. p.)

Koren, Henry J. Essays on the Spiritan Charism and on Spiritan History. Spiritus Press, 1990.