APA Format
; United Nations Development Programme. (1991). Human development report 1991. New York : Oxford University Press
MLA Format
; United Nations Development Programme. Human development report 1991. New York : Oxford University Press, 1991
Chicago Format
; United Nations Development Programme. Human development report 1991. New York : Oxford University Press, 1991
Australian/Harvard Format
; United Nations Development Programme. 1991. Human development report 1991. Oxford University Press New York