APA (7th ed.) Citation

(1987). W.A. Bonger. Wolters-Noordhoff [etc.].

Chicago Style (17th ed.) Citation

W.A. Bonger. Wolters-Noordhoff [etc.], 1987.

MLA (8th ed.) Citation

W.A. Bonger. Wolters-Noordhoff [etc.], 1987.

Warning: These citations may not always be 100% accurate.