APA (7th ed.) Citation

Douglas-Irvine, H. (1939). Fray Mario. Longmans, Green and co..

Chicago Style (17th ed.) Citation

Douglas-Irvine, Helen. Fray Mario. London, New York [etc.]: Longmans, Green and co., 1939.

MLA (9th ed.) Citation

Douglas-Irvine, Helen. Fray Mario. Longmans, Green and co., 1939.

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