APA (7th ed.) Citation

Douglass, S. (2004). The twisted citadel: Darkglass mountain trilogy, book two. Black Swan.

Chicago Style (17th ed.) Citation

Douglass, Sara. The Twisted Citadel: Darkglass Mountain Trilogy, Book Two. London: Black Swan, 2004.

MLA (9th ed.) Citation

Douglass, Sara. The Twisted Citadel: Darkglass Mountain Trilogy, Book Two. Black Swan, 2004.

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