APA (7th ed.) Citation

Lord, D. A. (1948). Letters to a Nun (2 ed.). The Queen's Work.

Chicago Style (17th ed.) Citation

Lord, Daniel A. Letters to a Nun. 2 ed. St. Louis (Misuri): The Queen's Work, 1948.

MLA (9th ed.) Citation

Lord, Daniel A. Letters to a Nun. 2 ed. The Queen's Work, 1948.