Παραπομπή σε μορφή APA (7η εκδ.)

Stjernfelt, F. Letterforms, Categories, and the A Priori Stance: Frederik Stjernfelt. Writing the signifying scene revisited.(1993).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stjernfelt, Frederik. "Letterforms, Categories, and the A Priori Stance: Frederik Stjernfelt." Writing the Signifying Scene Revisited.(1993) .

Παραπομπή σε μορφή MLA (8th εκδ.)

Stjernfelt, Frederik. "Letterforms, Categories, and the A Priori Stance: Frederik Stjernfelt." Writing the Signifying Scene Revisited.(1993), .