APA (7th ed.) Citation

Luskin, B. J., & Thresher, T. (1977). Introduction to economics: A performance-based learning guide. Saunders.

Chicago Style (17th ed.) Citation

Luskin, Bernard J., and Thomas Thresher. Introduction to Economics: A Performance-based Learning Guide. Philadelphia: Saunders, 1977.

MLA (9th ed.) Citation

Luskin, Bernard J., and Thomas Thresher. Introduction to Economics: A Performance-based Learning Guide. Saunders, 1977.