Cita APA (7a ed.)

United Nations Volunteers & Leigh, R. (2011). State of the world's volunteerism report, 2011: Universal values for global well-being. United Nations Volunteers.

Cita Chicago Style (17a ed.)

United Nations Volunteers y Robert Leigh. State of the World's Volunteerism Report, 2011: Universal Values for Global Well-being. [Bonn, Germany]: United Nations Volunteers, 2011.

Cita MLA (8a ed.)

United Nations Volunteers y Robert Leigh. State of the World's Volunteerism Report, 2011: Universal Values for Global Well-being. United Nations Volunteers, 2011.