APA (7th ed.) Citation

Halliday, F. (2002). Two hours that shook the world: September 11, 2001: causes and consequences (3. repr.). Saqi Books.

Chicago Style (17th ed.) Citation

Halliday, Fred. Two Hours That Shook the World: September 11, 2001: Causes and Consequences. 3. repr. London: Saqi Books, 2002.

MLA (9th ed.) Citation

Halliday, Fred. Two Hours That Shook the World: September 11, 2001: Causes and Consequences. 3. repr. Saqi Books, 2002.

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