Levine, E. L., & Cornwell, E. E. (1968). An introduction to American government / by E.L. Levine and E.E. Cornwell. Macmillan.
Chicago Style (17th ed.) CitationLevine, E. L., and E. E. Cornwell. An Introduction to American Government / by E.L. Levine and E.E. Cornwell. Macmillan, 1968.
MLA (9th ed.) CitationLevine, E. L., and E. E. Cornwell. An Introduction to American Government / by E.L. Levine and E.E. Cornwell. Macmillan, 1968.
Warning: These citations may not always be 100% accurate.