APA (7th ed.) Citation

Gébler, C. (2005). The siege of Derry (1. publ.). Little, Brown.

Chicago Style (17th ed.) Citation

Gébler, Carlo. The Siege of Derry. 1. publ. London: Little, Brown, 2005.

MLA (9th ed.) Citation

Gébler, Carlo. The Siege of Derry. 1. publ. Little, Brown, 2005.

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