Παραπομπή σε μορφή APA (7η εκδ.)

Hardy, G. H. (1959). Ramanujan: Twelve lectures on subjects suggested by his life and work. Chelsea Pub. Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hardy, G. H. Ramanujan: Twelve Lectures on Subjects Suggested by His Life and Work. New York: Chelsea Pub. Co., 1959.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hardy, G. H. Ramanujan: Twelve Lectures on Subjects Suggested by His Life and Work. Chelsea Pub. Co., 1959.