APA (7th ed.) Citation

Samuelson, P. A., & Robinson, R. (1964). Study guide and workbook to accompany Samuelson: Economics (6th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul A., and Romney Robinson. Study Guide and Workbook to Accompany Samuelson: Economics. 6th ed. New York: McGraw-Hill, 1964.

MLA (9th ed.) Citation

Samuelson, Paul A., and Romney Robinson. Study Guide and Workbook to Accompany Samuelson: Economics. 6th ed. McGraw-Hill, 1964.