APA (7th ed.) Citation

ProQuest (Firm), "The first world war and the end of neutrality?", Den Hertog, J., & Kruizinga, S. (2011). Caught in the middle: Neutrals, neutrality and the first world war. aksant.

Chicago Style (17th ed.) Citation

ProQuest (Firm), "The first world war and the end of neutrality?", Johan Den Hertog, and Samuel Kruizinga. Caught in the Middle: Neutrals, Neutrality and the First World War. Amsterdam: aksant, 2011.

MLA (9th ed.) Citation

ProQuest (Firm), et al. Caught in the Middle: Neutrals, Neutrality and the First World War. aksant, 2011.