APA (7th ed.) Citation

Gregg, R. W., & Barkun, M. (1968). The United Nations system and its functions : selected readings / edited by R.W. Gregg and M. Barkun: Selected readings. Van Nostrand.

Chicago Style (17th ed.) Citation

Gregg, R. W., and M. Barkun. The United Nations System and Its Functions : Selected Readings / Edited by R.W. Gregg and M. Barkun: Selected Readings. Van Nostrand, 1968.

MLA (9th ed.) Citation

Gregg, R. W., and M. Barkun. The United Nations System and Its Functions : Selected Readings / Edited by R.W. Gregg and M. Barkun: Selected Readings. Van Nostrand, 1968.

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