APA (7th ed.) Citation

Thatcher, O. J., & McNeal, E. H. (2013). A Source Book for Mediaeval History Selected Documents illustrating the History of Europe in the Middle Age. Project Gutenberg.

Chicago Style (17th ed.) Citation

Thatcher, Oliver J., and Edgar Holmes McNeal. A Source Book for Mediaeval History Selected Documents Illustrating the History of Europe in the Middle Age. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Thatcher, Oliver J., and Edgar Holmes McNeal. A Source Book for Mediaeval History Selected Documents Illustrating the History of Europe in the Middle Age. Project Gutenberg, 2013.

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