Cita APA (7a ed.)

Hertog, J. d., & Kruizinga, S. (2011). Caught in the Middle: Neutrals, Neutrality and the First World War. Amsterdam University Press.

Cita Chicago Style (17a ed.)

Hertog, Johan den, y Samuël Kruizinga. Caught in the Middle: Neutrals, Neutrality and the First World War. Amsterdam: Amsterdam University Press, 2011.

Cita MLA (8a ed.)

Hertog, Johan den, y Samuël Kruizinga. Caught in the Middle: Neutrals, Neutrality and the First World War. Amsterdam University Press, 2011.