Bianchi, U., & Layton, B. (1980). Religio-Historical Observations on Valentinianism. The rediscovery of gnosticism ; 1: The school of Valentinus, 1, 103-117.
Chicago Style (17th ed.) CitationBianchi, Ugo, and Bentley Layton. "Religio-Historical Observations on Valentinianism." The Rediscovery of Gnosticism ; 1: The School of Valentinus 1 (1980): 103-117.
MLA (8th ed.) CitationBianchi, Ugo, and Bentley Layton. "Religio-Historical Observations on Valentinianism." The Rediscovery of Gnosticism ; 1: The School of Valentinus, vol. 1, 1980, pp. 103-117.
Warning: These citations may not always be 100% accurate.