Cita APA (7th ed.)

Toulmin, S., & Goodfield, J. (1965). The discovery of time. Harper & Row.

Cita Chicago (17th ed.)

Toulmin, Stephen, i June Goodfield. The Discovery of Time. Nueva York: Harper & Row, 1965.

Cita MLA (9th ed.)

Toulmin, Stephen, i June Goodfield. The Discovery of Time. Harper & Row, 1965.