APA (7th ed.) Citation

O'Farrell, T. (2001). Behind enemy lines: An Australian SAS soldier in Vietnam. Allen & Unwin.

Chicago Style (17th ed.) Citation

O'Farrell, Terry. Behind Enemy Lines: An Australian SAS Soldier in Vietnam. Crows Nest, NSW: Allen & Unwin, 2001.

MLA (9th ed.) Citation

O'Farrell, Terry. Behind Enemy Lines: An Australian SAS Soldier in Vietnam. Allen & Unwin, 2001.