APA (7th ed.) Citation

McHugh, J. S. (2017). Emperor Alexander Severus: Rome's age of insurrection, AD 222-235. Pen & Sword Military.

Chicago Style (17th ed.) Citation

McHugh, John S. Emperor Alexander Severus: Rome's Age of Insurrection, AD 222-235. Barnsley: Pen & Sword Military, 2017.

MLA (9th ed.) Citation

McHugh, John S. Emperor Alexander Severus: Rome's Age of Insurrection, AD 222-235. Pen & Sword Military, 2017.