APA (7th ed.) Zitazioa

Toulmin, S. (1961). Foresight and understanding: An enquiry into the aims of science. Hutchinson.

Chicago Style (17th ed.) Zitazioa

Toulmin, Stephen. Foresight and Understanding: An Enquiry into the Aims of Science. London: Hutchinson, 1961.

MLA (9th ed.) Zitazioa

Toulmin, Stephen. Foresight and Understanding: An Enquiry into the Aims of Science. Hutchinson, 1961.