APA (7th ed.) Citation

Howard, R. A. (1979). The Portuguese regular army, 1806-14. Napoleonic Association.

Chicago Style (17th ed.) Citation

Howard, Richard A. The Portuguese Regular Army, 1806-14. Banbury (Oxford): Napoleonic Association, 1979.

MLA (9th ed.) Citation

Howard, Richard A. The Portuguese Regular Army, 1806-14. Napoleonic Association, 1979.

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