APA (7th ed.) Citation

Hughes, H. G., & Loveridge, J. W. (1973). Workbook of commerce. Butterworths.

Chicago Style (17th ed.) Citation

Hughes, Henry G., and John W. Loveridge. Workbook of Commerce. London: Butterworths, 1973.

MLA (9th ed.) Citation

Hughes, Henry G., and John W. Loveridge. Workbook of Commerce. Butterworths, 1973.