APA način citiranja (7. izdanje)

Radley, P., Simons, D., & Campbell, C. (2009). Horizons. Oxford University Press.

Čikaški stil citiranja (17. izdanje)

Radley, Paul, Daniela Simons, i Colin Campbell. Horizons. Oxford: Oxford University Press, 2009.

MLA način citiranja (9. izdanje)

Radley, Paul, et al. Horizons. Oxford University Press, 2009.