APA Citation

Ruffin, R., & Gregory, P. R. (1986). Principles of economics (2nd ed.). Glenview, Ill.: Scott, Foresman.

Chicago Style Citation

Ruffin, Roy, and Paul R. Gregory. Principles of Economics. 2nd ed. Glenview, Ill.: Scott, Foresman, 1986.

MLA Citation

Ruffin, Roy, and Paul R. Gregory. Principles of Economics. 2nd ed. Glenview, Ill.: Scott, Foresman, 1986.

Warning: These citations may not always be 100% accurate.