Cita APA (7a ed.)

Wells, M., Fellows, N., & Todd, A. (2016). History for the IB Diploma: [Paper 2], Causes and effects of 20th century wars. Cambridge University Press.

Cita Chicago Style (17a ed.)

Wells, Mike, Nick Fellows, y Allan Todd. History for the IB Diploma: [Paper 2], Causes and Effects of 20th Century Wars. Cambridge: Cambridge University Press, 2016.

Cita MLA (9a ed.)

Wells, Mike, et al. History for the IB Diploma: [Paper 2], Causes and Effects of 20th Century Wars. Cambridge University Press, 2016.