APA (7th ed.) Citation

(2011). If Rome hadn't fallen: What might have happened if the Western Empire had survived (1. publ.). Pen & Sword Military.

Chicago Style (17th ed.) Citation

If Rome Hadn't Fallen: What Might Have Happened If the Western Empire Had Survived. 1. publ. Barnsley: Pen & Sword Military, 2011.

MLA (9th ed.) Citation

If Rome Hadn't Fallen: What Might Have Happened If the Western Empire Had Survived. 1. publ. Pen & Sword Military, 2011.