APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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