APA (7th ed.) Citation

Bilton, M., & Sim, K. (1993). Four hours in My Lai. Penguin Books.

Chicago Style (17th ed.) Citation

Bilton, Michael, and Kevin Sim. Four Hours in My Lai. New York, NY u.a: Penguin Books, 1993.

MLA (9th ed.) Citation

Bilton, Michael, and Kevin Sim. Four Hours in My Lai. Penguin Books, 1993.