APA (7th ed.) Citation

Langley, F. P., & Caldicott, D. A. (1981). Workbook in accounting (3rd ed.). Butterworths.

Chicago Style (17th ed.) Citation

Langley, F. P., and D. A. Caldicott. Workbook in Accounting. 3rd ed. London: Butterworths, 1981.

MLA (9th ed.) Citation

Langley, F. P., and D. A. Caldicott. Workbook in Accounting. 3rd ed. Butterworths, 1981.