APA (7th ed.) Citation

Butler, D. (1986). The fall of Saigon: Scenes from the sudden end of a long war. Sphere.

Chicago Style (17th ed.) Citation

Butler, David. The Fall of Saigon: Scenes from the Sudden End of a Long War. London: Sphere, 1986.

MLA (9th ed.) Citation

Butler, David. The Fall of Saigon: Scenes from the Sudden End of a Long War. Sphere, 1986.