Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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