APA (7th ed.) Citation

Toulmin, S. (1977). Human understanding: The collective use and evolution of concepts. P.U.P.

Chicago Style (17th ed.) Citation

Toulmin, Stephen. Human Understanding: The Collective Use and Evolution of Concepts. P.U.P, 1977.

MLA (9th ed.) Citation

Toulmin, Stephen. Human Understanding: The Collective Use and Evolution of Concepts. P.U.P, 1977.

Warning: These citations may not always be 100% accurate.