Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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