APA (7th ed.) Citation

Williams, P. R. (2009). Malta: Island under siege (1. publ. in Great Britain.). Pen & Sword Military.

Chicago Style (17th ed.) Citation

Williams, Paul R. Malta: Island Under Siege. 1. publ. in Great Britain. Barnsley: Pen & Sword Military, 2009.

MLA (9th ed.) Citation

Williams, Paul R. Malta: Island Under Siege. 1. publ. in Great Britain. Pen & Sword Military, 2009.

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