APA (7th ed.) Citation

ProQuest (Firm), Amersfoort, H., & Kamphuis, P. H. (2010). May 1940: The battle for the Netherlands. Brill.

Chicago Style (17th ed.) Citation

ProQuest (Firm), H. Amersfoort, and P. H. Kamphuis. May 1940: The Battle for the Netherlands. Leiden ; Boston: Brill, 2010.

MLA (9th ed.) Citation

ProQuest (Firm), et al. May 1940: The Battle for the Netherlands. Brill, 2010.

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