APA (7th ed.) Citation

Ryan, S. (1969). Petain the soldier. A. S. Barnes.

Chicago Style (17th ed.) Citation

Ryan, Stephen. Petain the Soldier. South Brunswick [N.J.]: A. S. Barnes, 1969.

MLA (9th ed.) Citation

Ryan, Stephen. Petain the Soldier. A. S. Barnes, 1969.