APA (7th ed.) Zitazioa

Drake, S. A. (2001). The battle of Gettysburg, 1863. Digital Scanning.

Chicago Style (17th ed.) Zitazioa

Drake, Samuel Adams. The Battle of Gettysburg, 1863. Scituate, Mass.: Digital Scanning, 2001.

MLA (9th ed.) Zitazioa

Drake, Samuel Adams. The Battle of Gettysburg, 1863. Digital Scanning, 2001.