APA citiranje

Webb, E. J., Campbell, D. T., Schwartz, R. D., & Sechrest, L. (1966). Unobtrusive measures: Nonreactive research in the social sciences. Rand McNally.

Chicago Style (17th ed.) Citation

Webb, Eugene J., Donald T. Campbell, Richard D. Schwartz, and Lee Sechrest. Unobtrusive Measures: Nonreactive Research in the Social Sciences. Chicago: Rand McNally, 1966.

MLA citiranje

Webb, Eugene J., et al. Unobtrusive Measures: Nonreactive Research in the Social Sciences. Rand McNally, 1966.