APA (7th ed.) Citation

Cassel, C., Särndal, C., & Wretman, J. H. (1977). Foundations of inference in survey sampling. Wiley.

Chicago Style (17th ed.) Citation

Cassel, Claes, Carl-Erik Särndal, and Jan Håkan Wretman. Foundations of Inference in Survey Sampling. New York: Wiley, 1977.

MLA (8th ed.) Citation

Cassel, Claes, et al. Foundations of Inference in Survey Sampling. Wiley, 1977.