APA (7th ed.) Citation

Halliday, F. (1991). The Gulf War and its aftermath. International affairs, 67, 223-234.

Chicago Style (17th ed.) Citation

Halliday, Fred. "The Gulf War and Its Aftermath." International Affairs 67 (1991): 223-234.

MLA (8th ed.) Citation

Halliday, Fred. "The Gulf War and Its Aftermath." International Affairs, vol. 67, 1991, pp. 223-234.