APA (7th ed.) Citation

Rudolph, K., Wilson, R. M., & McLachlan Wilson, R. (1983). Gnosis: The nature and history of an ancient religion (1. publ.). Clark Limited.

Chicago Style (17th ed.) Citation

Rudolph, Kurt, Robert McL Wilson, and Robert McLachlan Wilson. Gnosis: The Nature and History of an Ancient Religion. 1. publ. Edinburgh: Clark Limited, 1983.

MLA (8th ed.) Citation

Rudolph, Kurt, et al. Gnosis: The Nature and History of an Ancient Religion. 1. publ. Clark Limited, 1983.

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