APA (7th ed.) Citation

Stead, G. C. (1968). The Valentinian myth of Sophia. [s.n.].

Chicago Style (17th ed.) Citation

Stead, G. C. The Valentinian Myth of Sophia. [S.l.]: [s.n.], 1968.

MLA (9th ed.) Citation

Stead, G. C. The Valentinian Myth of Sophia. [s.n.], 1968.

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