APA (7th ed.) Citation

Costello, E. (1968). The Peninsular and Waterloo campaigns. Archon Books.

Chicago Style (17th ed.) Citation

Costello, Edward. The Peninsular and Waterloo Campaigns. [Hamden, Conn.]: Archon Books, 1968.

MLA (9th ed.) Citation

Costello, Edward. The Peninsular and Waterloo Campaigns. Archon Books, 1968.