Cita APA (7a ed.)
Campbell, B. M. (2014). Call for UN to act on food security. Springer.
Cita Chicago Style (17a ed.)
Campbell, Bruce M. Call for UN to Act on Food Security. Springer, 2014.
Cita MLA (9a ed.)
Campbell, Bruce M. Call for UN to Act on Food Security. Springer, 2014.
Precaución: Estas citas no son 100% exactas.