APA (7th ed.) Citation

Porter, K. H., & Johnson, D. B. (1970). National party platforms, 1840-1968. University of Illinois Press.

Chicago Style (17th ed.) Citation

Porter, Kirk H., and Donald Bruce Johnson. National Party Platforms, 1840-1968. Urbana: University of Illinois Press, 1970.

MLA (9th ed.) Citation

Porter, Kirk H., and Donald Bruce Johnson. National Party Platforms, 1840-1968. University of Illinois Press, 1970.