APA (7th ed.) Citation

Ruffin, R. ., & Gregory, P. R. (1983). Principles of macroeconomics. Scott, Foresman and Co..

Chicago Style (17th ed.) Citation

Ruffin, Roy , and Paul R. Gregory. Principles of Macroeconomics. Glenview, Ill.: Scott, Foresman and Co., 1983.

MLA (9th ed.) Citation

Ruffin, Roy , and Paul R. Gregory. Principles of Macroeconomics. Scott, Foresman and Co., 1983.

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