APA (7th ed.) Citation

Allen, S. P. (2014). A Boy Trooper With Sheridan First Massachusetts Cavalry. Project Gutenberg.

Chicago Style (17th ed.) Citation

Allen, Stanton P. A Boy Trooper With Sheridan First Massachusetts Cavalry. Project Gutenberg, 2014.

MLA (9th ed.) Citation

Allen, Stanton P. A Boy Trooper With Sheridan First Massachusetts Cavalry. Project Gutenberg, 2014.

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