APA (7th ed.) Citation

Dunderberg, I. (2008). The school of Valentinus. A companion to second-century Christian "heretics", 64-99.

Chicago Style (17th ed.) Citation

Dunderberg, Ismo. "The School of Valentinus." A Companion to Second-century Christian "Heretics" 2008: 64-99.

MLA (8th ed.) Citation

Dunderberg, Ismo. "The School of Valentinus." A Companion to Second-century Christian "Heretics", 2008, pp. 64-99.

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