Roothaan, J. P. (2013). Roothaan, Jan Philip, SJ, Archive. DigitalGeorgetown.
Chicago Style (17th ed.) CitationRoothaan, Joannes Philippus. Roothaan, Jan Philip, SJ, Archive. Washington, D.C.: DigitalGeorgetown, 2013.
MLA (8th ed.) CitationRoothaan, Joannes Philippus. Roothaan, Jan Philip, SJ, Archive. DigitalGeorgetown, 2013.
Warning: These citations may not always be 100% accurate.