APA (7th ed.) Citation

Bertrand, P. (1975). Histoire de Boulogne-Sur-Mer. Laffitte.

Chicago Style (17th ed.) Citation

Bertrand, Pierre-Jean-Baptiste. Histoire De Boulogne-Sur-Mer. Marseille: Laffitte, 1975.

MLA (9th ed.) Citation

Bertrand, Pierre-Jean-Baptiste. Histoire De Boulogne-Sur-Mer. Laffitte, 1975.

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