Cita APA (7th ed.)

Nelson, L., & Kraft, J. (1970). Progress and regress in philosophy: From Hume and Kant to Hegel and Fries. Blackwell.

Cita Chicago (17th ed.)

Nelson, Leonard, i Julius Kraft. Progress and Regress in Philosophy: From Hume and Kant to Hegel and Fries. Oxford: Blackwell, 1970.

Cita MLA (9th ed.)

Nelson, Leonard, i Julius Kraft. Progress and Regress in Philosophy: From Hume and Kant to Hegel and Fries. Blackwell, 1970.