Cita APA (7a ed.)

Pörn, I. (1977). Action theory and social science: Some formal models. D. Reidel.

Cita Chicago Style (17a ed.)

Pörn, Ingmar. Action Theory and Social Science: Some Formal Models. Dordrecht [etc.]: D. Reidel, 1977.

Cita MLA (9a ed.)

Pörn, Ingmar. Action Theory and Social Science: Some Formal Models. D. Reidel, 1977.