APA-viite (7. p.)

Warren, J., Lawson, C., & Belcher, K. W. (2008). The agri-environment. Cambridge University Press.

Chicago-viite (17. p.)

Warren, John, Clare Lawson, ja Kenneth Ward Belcher. The Agri-environment. Cambridge, Eng: Cambridge University Press, 2008.

MLA-viite (9. p.)

Warren, John, et al. The Agri-environment. Cambridge University Press, 2008.