APA (7th ed.) Citation

Bourget, P. Un Certain Philippe Pétain. Casterman ([Paris,]).

Chicago Style (17th ed.) Citation

Bourget, Pierre. Un Certain Philippe Pétain. Casterman ([Paris,]).

MLA (8th ed.) Citation

Bourget, Pierre. Un Certain Philippe Pétain. Casterman ([Paris,]).

Warning: These citations may not always be 100% accurate.