APA (7th ed.) Citation

Landheer, B., Loenen, J., & Polak, F. I. (1971). World society: How is an effective and desirable world order possiblen A symposium. Martinus Nijhoff.

Chicago Style (17th ed.) Citation

Landheer, B., J.H.M.M Loenen, and Fred I. Polak. World Society: How Is an Effective and Desirable World Order Possiblen A Symposium. The Hague: Martinus Nijhoff, 1971.

MLA (9th ed.) Citation

Landheer, B., et al. World Society: How Is an Effective and Desirable World Order Possiblen A Symposium. Martinus Nijhoff, 1971.