APA (7th ed.) Citation

Bothwell, R., Drummond, I. M., & English, J. (1987). Canada, 1900-1945. University of Toronto Press.

Chicago Style (17th ed.) Citation

Bothwell, Robert, Ian M. Drummond, and John English. Canada, 1900-1945. Toronto ; Buffalo: University of Toronto Press, 1987.

MLA (9th ed.) Citation

Bothwell, Robert, et al. Canada, 1900-1945. University of Toronto Press, 1987.