APA (7th ed.) Citation

Pepler, H. D. C. (1927). Regina caeli. St. Dominic's Press.

Chicago Style (17th ed.) Citation

Pepler, H. D. C. Regina Caeli. St. Dominic's Press, 1927.

MLA (8th ed.) Citation

Pepler, H. D. C. Regina Caeli. St. Dominic's Press, 1927.

Warning: These citations may not always be 100% accurate.