Cita APA (7th ed.)

Toulmin, S. (1977). Human understanding: Teh collective use and evolution of concepts (1a. ed.). Princeton University Press.

Cita Chicago (17th ed.)

Toulmin, Stephen. Human Understanding: Teh Collective Use and Evolution of Concepts. 1a. ed. Princeton: Princeton University Press, 1977.

Cita MLA (9th ed.)

Toulmin, Stephen. Human Understanding: Teh Collective Use and Evolution of Concepts. 1a. ed. Princeton University Press, 1977.