Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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