Cita APA (7a ed.)

Kristof, N. D. a. W. (2009). half the sky: Turning oppression into opportunity for women worldwide (First edition.). Alfred A. Knopf.

Cita Chicago Style (17a ed.)

Kristof, Nicholas D. and Wudunn. Half the Sky: Turning Oppression into Opportunity for Women Worldwide. First edition. New York: Alfred A. Knopf, 2009.

Cita MLA (9a ed.)

Kristof, Nicholas D. and Wudunn. Half the Sky: Turning Oppression into Opportunity for Women Worldwide. First edition. Alfred A. Knopf, 2009.