APA (7th ed.) Citation

Jones, H., & Jones, R. (1980). Groundwork of commerce (6th ed.). Edward Arnold.

Chicago Style (17th ed.) Citation

Jones, H.L, and R.P Jones. Groundwork of Commerce. 6th ed. Hong Kong: Edward Arnold, 1980.

MLA (9th ed.) Citation

Jones, H.L, and R.P Jones. Groundwork of Commerce. 6th ed. Edward Arnold, 1980.