Cita APA (7a ed.)

United Nations Population Fund & Marshall, A. (1998). The state of world population 1998: The new generations. UNFPA.

Cita Chicago Style (17a ed.)

United Nations Population Fund y Alex Marshall. The State of World Population 1998: The New Generations. New York: UNFPA, 1998.

Cita MLA (8a ed.)

United Nations Population Fund y Alex Marshall. The State of World Population 1998: The New Generations. UNFPA, 1998.