APA-viite (7. p.)
Styfhals, W. (2019). No Spiritual Investment in the World: Gnosticism and Postwar German Philosophy. Cornell University Library.
Chicago-viite (17. p.)
Styfhals, Willem. No Spiritual Investment in the World: Gnosticism and Postwar German Philosophy. Ithaca, NY: Cornell University Library, 2019.
MLA-viite (9. p.)
Styfhals, Willem. No Spiritual Investment in the World: Gnosticism and Postwar German Philosophy. Cornell University Library, 2019.
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