APA (7th ed.) Citation

McHugh, J. S. (2022). The reign of emperor Antoninus Pius, AD 138-161. Pen & Sword History.

Chicago Style (17th ed.) Citation

McHugh, John S. The Reign of Emperor Antoninus Pius, AD 138-161. [S.l.]: Pen & Sword History, 2022.

MLA (9th ed.) Citation

McHugh, John S. The Reign of Emperor Antoninus Pius, AD 138-161. Pen & Sword History, 2022.

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