APA (7th ed.) Citation

Samuelson, P. A., Watkins, M. H., Staiger, D. S., Robinson, R., & Baldwin, G. B. (1958). Instructor's manual and answer key to study guide and workbook: To accompany Samuelson Economics fourth edition. McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul Anthony, Melville H. Watkins, David S. Staiger, Romney Robinson, and George B. Baldwin. Instructor's Manual and Answer Key to Study Guide and Workbook: To Accompany Samuelson Economics Fourth Edition. New York: McGraw-Hill, 1958.

MLA (9th ed.) Citation

Samuelson, Paul Anthony, et al. Instructor's Manual and Answer Key to Study Guide and Workbook: To Accompany Samuelson Economics Fourth Edition. McGraw-Hill, 1958.