APA (7th ed.) Citation

O'Brien, P. (1918). Outwitting the Hun: My escape from a German prison camp,. Harper and Brothers.

Chicago Style (17th ed.) Citation

O'Brien, Pat. Outwitting the Hun: My Escape from a German Prison Camp,. New York And London: Harper and Brothers, 1918.

MLA (9th ed.) Citation

O'Brien, Pat. Outwitting the Hun: My Escape from a German Prison Camp,. Harper and Brothers, 1918.