APA (7th ed.) Citation

Holterman, T., Constandse, A., & Radius, S. (1980). P.J. Proudhon. 's-Gravenhage: De As.

Chicago Style (17th ed.) Citation

Holterman, Thom, Anton Constandse, and Simon Radius. P.J. Proudhon. 's-Gravenhage: De As, 1980.

MLA (8th ed.) Citation

Holterman, Thom, et al. P.J. Proudhon. 's-Gravenhage: De As, 1980.