APA (7th ed.) Citation

Magnus, A. (2011). On Union with God. Project Gutenberg.

Chicago Style (17th ed.) Citation

Magnus, Albertus. On Union with God. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Magnus, Albertus. On Union with God. Project Gutenberg, 2011.

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