APA (7th ed.) Citation

Posthumus, N. (1946). The Netherlands during German occupation. American Academy of Political and Social Science.

Chicago Style (17th ed.) Citation

Posthumus, N.W. The Netherlands During German Occupation. Philadelphia: American Academy of Political and Social Science, 1946.

MLA (8th ed.) Citation

Posthumus, N.W. The Netherlands During German Occupation. American Academy of Political and Social Science, 1946.