Παραπομπή σε μορφή APA (7η εκδ.)

Lewes, G. H. (2005). Comte's Philosophy of the sciences: Being an exposition of the principles of the Cours de philosophie positive of Auguste Comte. Elibron Classics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lewes, George Henry. Comte's Philosophy of the Sciences: Being an Exposition of the Principles of the Cours De Philosophie Positive of Auguste Comte. London: Elibron Classics, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lewes, George Henry. Comte's Philosophy of the Sciences: Being an Exposition of the Principles of the Cours De Philosophie Positive of Auguste Comte. Elibron Classics, 2005.