APA-viite (7. p.)

Robertson, T. (2012). The Malthusian moment: Global population growth and the birth of American environmentalism. Rutgers University Press.

Chicago-viite (17. p.)

Robertson, Thomas. The Malthusian Moment: Global Population Growth and the Birth of American Environmentalism. New Brunswick: Rutgers University Press, 2012.

MLA-viite (9. p.)

Robertson, Thomas. The Malthusian Moment: Global Population Growth and the Birth of American Environmentalism. Rutgers University Press, 2012.