Cita APA (7a ed.)

Urquhart, B., & Childers, E. (1990). A world in need of leadership: Tomorrow's United Nations. Dag Hammarskjöld Foundation ; Ford Foundation [distributor].

Cita Chicago Style (17a ed.)

Urquhart, Brian, y Erskine Childers. A World in Need of Leadership: Tomorrow's United Nations. Uppsala, Sweden : New York, NY, USA: Dag Hammarskjöld Foundation ; Ford Foundation [distributor], 1990.

Cita MLA (8a ed.)

Urquhart, Brian, y Erskine Childers. A World in Need of Leadership: Tomorrow's United Nations. Dag Hammarskjöld Foundation ; Ford Foundation [distributor], 1990.