APA (7th ed.) Citation

Optic, O. (2006). A Victorious Union. Project Gutenberg.

Chicago Style (17th ed.) Citation

Optic, Oliver. A Victorious Union. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Optic, Oliver. A Victorious Union. Project Gutenberg, 2006.

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