The challenge of relevance :
the United Nations in a changing world environment /
by Donald J. Puchala and Roger A. Coate.

APA Citation

Puchala, D. James., Coate, R. A., Academic Council on the United Nations System. (1989). The challenge of relevance: the United Nations in a changing world environment. Hanover, N.H.: Academic Council on the United Nations System.

MLA Citation

Puchala, Donald James, 1939-, Roger A Coate, and Academic Council on the United Nations System. The Challenge of Relevance: the United Nations In a Changing World Environment. Hanover, N.H.: Academic Council on the United Nations System, 1989.

Warning: These citations may not always be complete (especially for serials).