Παραπομπή σε μορφή APA (7η εκδ.)

Hoffmeyer, J. F. (1994). The advent of freedom: The presence of the future in Hegel's logic. Associated University Presses.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hoffmeyer, John F. The Advent of Freedom: The Presence of the Future in Hegel's Logic. Cranbury, NJ: Associated University Presses, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hoffmeyer, John F. The Advent of Freedom: The Presence of the Future in Hegel's Logic. Associated University Presses, 1994.