APA (7th ed.) Citation

Menges, G., & Skala, H. J. (1974). On the problem of vagueness in the social sciences. Information, inference and decision.

Chicago Style (17th ed.) Citation

Menges, Günter, and Heinz J. Skala. "On the Problem of Vagueness in the Social Sciences." Information, Inference and Decision 1974.

MLA (9th ed.) Citation

Menges, Günter, and Heinz J. Skala. "On the Problem of Vagueness in the Social Sciences." Information, Inference and Decision, 1974.