Cita APA (7a ed.)

HOLT, R. T. (1970). The methodology of comparative research. Free Press.

Cita Chicago Style (17a ed.)

HOLT, Robert T. The Methodology of Comparative Research. New York: Free Press, 1970.

Cita MLA (9a ed.)

HOLT, Robert T. The Methodology of Comparative Research. Free Press, 1970.