Styl cytowania APA

Bouman, P. J., Beijer, G. 1., & Oudegeest, J. (1950). The refugee problem in Western Germany. Nijhoff.

Styl cytowania Chicago

Bouman, P. J., Gunther 1950 Beijer, i Jan Oudegeest. The Refugee Problem in Western Germany. The Hague: Nijhoff, 1950.

Styl cytowania MLA

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