APA (7th ed.) Citation

Spencer, M. H., Seo, K. K., & Simkin, M. G. (1975). Managerial economics: Text, problems, and short cases (4th ed.). R. D. Irwin.

Chicago Style (17th ed.) Citation

Spencer, Milton H., K. K. Seo, and Mark G. Simkin. Managerial Economics: Text, Problems, and Short Cases. 4th ed. Homewood, Ill.: R. D. Irwin, 1975.

MLA (9th ed.) Citation

Spencer, Milton H., et al. Managerial Economics: Text, Problems, and Short Cases. 4th ed. R. D. Irwin, 1975.