APA (7th ed.) Citation

Bouman, P., Beijer, G., Oudegeest, J., & Marx, H. (1950). The refugee problem in Western Germany. Martinus Nijhoff.

Chicago Style (17th ed.) Citation

Bouman, P.J, G. Beijer, J.J Oudegeest, and H.A Marx. The Refugee Problem in Western Germany. The Hague: Martinus Nijhoff, 1950.

MLA (8th ed.) Citation

Bouman, P.J, et al. The Refugee Problem in Western Germany. Martinus Nijhoff, 1950.