APA (7th ed.) Citation

Holt, R. T., & Turner, J. E. (1970). The methodology of comparative research. Free Press.

Chicago Style (17th ed.) Citation

Holt, Robert T., and John E. Turner. The Methodology of Comparative Research. New York: Free Press, 1970.

MLA (9th ed.) Citation

Holt, Robert T., and John E. Turner. The Methodology of Comparative Research. Free Press, 1970.