APA (7th ed.) Citation

Herndon, W. H. (2000). Herndon's Lincoln. Digital Scanning.

Chicago Style (17th ed.) Citation

Herndon, William Henry. Herndon's Lincoln. Scituate, Mass.: Digital Scanning, 2000.

MLA (9th ed.) Citation

Herndon, William Henry. Herndon's Lincoln. Digital Scanning, 2000.