APA (7th ed.) Citation

(2007). Historical Sketch of the Cathedral of Strasburg. Project Gutenberg.

Chicago Style (17th ed.) Citation

Historical Sketch of the Cathedral of Strasburg. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Historical Sketch of the Cathedral of Strasburg. Project Gutenberg, 2007.

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