APA (7th ed.) Citation

Hintikka, J. (1955). Two papers on symbolic logic: Form and content in quantification theory. Reductions in the theory of types. Societas Philosophica.

Chicago Style (17th ed.) Citation

Hintikka, Jaakko. Two Papers on Symbolic Logic: Form and Content in Quantification Theory. Reductions in the Theory of Types. Helsinki: Societas Philosophica, 1955.

MLA (9th ed.) Citation

Hintikka, Jaakko. Two Papers on Symbolic Logic: Form and Content in Quantification Theory. Reductions in the Theory of Types. Societas Philosophica, 1955.