APA (7th ed.) Citation

Harder, T. (1970). Introduction to mathematical models in market and opinion research: With practical applications, computing procedures, and estimates of computing requirements. Reidel.

Chicago Style (17th ed.) Citation

Harder, Theodor. Introduction to Mathematical Models in Market and Opinion Research: With Practical Applications, Computing Procedures, and Estimates of Computing Requirements. Dordrecht: Reidel, 1970.

MLA (8th ed.) Citation

Harder, Theodor. Introduction to Mathematical Models in Market and Opinion Research: With Practical Applications, Computing Procedures, and Estimates of Computing Requirements. Reidel, 1970.