APA (7th ed.) Citation

Toennies, F., Cahnman, W. J., & Heberle, R. (1971). On sociology: Pure, applied, and empirical; selected writings. University of Chicago Press.

Chicago Style (17th ed.) Citation

Toennies, Ferdinand, Werner Jacob Cahnman, and Rudolf Heberle. On Sociology: Pure, Applied, and Empirical; Selected Writings. Chicago: University of Chicago Press, 1971.

MLA (9th ed.) Citation

Toennies, Ferdinand, et al. On Sociology: Pure, Applied, and Empirical; Selected Writings. University of Chicago Press, 1971.