APA (7th ed.) Citation

Byrns, R. T., & Stone, G. W. (1981). Economics. Scott, Foresman.

Chicago Style (17th ed.) Citation

Byrns, Ralph T., and Gerald W. Stone. Economics. Glenview, Il: Scott, Foresman, 1981.

MLA (9th ed.) Citation

Byrns, Ralph T., and Gerald W. Stone. Economics. Scott, Foresman, 1981.