Cita APA (7a ed.)
Wrigley, E. A. (2004). Poverty, progress, and population. Cambridge University Press.
Cita Chicago Style (17a ed.)
Wrigley, E. A. Poverty, Progress, and Population. Cambridge: Cambridge University Press, 2004.
Cita MLA (9a ed.)
Wrigley, E. A. Poverty, Progress, and Population. Cambridge University Press, 2004.
Precaución: Estas citas no son 100% exactas.