APA (7th ed.) Citation

Project Gutenberg & Anonymous. (2008). 易經. Project Gutenberg Literary Archive Foundation.

Chicago Style (17th ed.) Citation

Project Gutenberg and Anonymous. 易經. Salt Lake City: Project Gutenberg Literary Archive Foundation, 2008.

MLA (9th ed.) Citation

Project Gutenberg and Anonymous. 易經. Project Gutenberg Literary Archive Foundation, 2008.

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