APA (7th ed.) Citation

Oman, C. A history of the Peninsular War, Vol. 1, 1807-1809.

Chicago Style (17th ed.) Citation

Oman, Charles. A History of the Peninsular War, Vol. 1, 1807-1809.

MLA (9th ed.) Citation

Oman, Charles. A History of the Peninsular War, Vol. 1, 1807-1809.

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