APA (7th ed.) Citation

O'Ballance, E. (1971). The war in the Yemen. Faber and Faber.

Chicago Style (17th ed.) Citation

O'Ballance, Edgar. The War in the Yemen. London: Faber and Faber, 1971.

MLA (9th ed.) Citation

O'Ballance, Edgar. The War in the Yemen. Faber and Faber, 1971.

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