Drachmann, A. B., Andersen, I., & Hill, G. F. (2009). Atheism in Pagan Antiquity. Project Gutenberg.
Chicago Style (17th ed.) CitationDrachmann, A. B., Ingeborg Andersen, and George Francis Hill. Atheism in Pagan Antiquity. Project Gutenberg, 2009.
MLA (9th ed.) CitationDrachmann, A. B., et al. Atheism in Pagan Antiquity. Project Gutenberg, 2009.
Warning: These citations may not always be 100% accurate.