APA (7th ed.) Citation

Ross, S. R. J., Knapp, B. J., & MacCrae, D. (1989). Challenge of the economic environment (1. publ.). Longman.

Chicago Style (17th ed.) Citation

Ross, Simon R. J., Brian J. Knapp, and Duncan MacCrae. Challenge of the Economic Environment. 1. publ. Harlow: Longman, 1989.

MLA (9th ed.) Citation

Ross, Simon R. J., et al. Challenge of the Economic Environment. 1. publ. Longman, 1989.