APA (7th ed.) Citation

Longstreet, H. D. (2013). Lee and Longstreet at High Tide Gettysburg in the Light of the Official Records. Project Gutenberg.

Chicago Style (17th ed.) Citation

Longstreet, Helen D. Lee and Longstreet at High Tide Gettysburg in the Light of the Official Records. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Longstreet, Helen D. Lee and Longstreet at High Tide Gettysburg in the Light of the Official Records. Project Gutenberg, 2013.

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