APA (7th ed.) Citation

Lang, U. M. (2001). Notes on John Philoponus and the tritheist controversy in the sixth century. Oriens christianus, 85, 23-40.

Chicago Style (17th ed.) Citation

Lang, Uwe Michael. "Notes on John Philoponus and the Tritheist Controversy in the Sixth Century." Oriens Christianus 85 (2001): 23-40.

MLA (8th ed.) Citation

Lang, Uwe Michael. "Notes on John Philoponus and the Tritheist Controversy in the Sixth Century." Oriens Christianus, vol. 85, 2001, pp. 23-40.

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