APA (7th ed.) Citation

Hardy, G. H. (1959). Ramanujan: 12 lectures on subjects suggested by his life and work. Chelsea.

Chicago Style (17th ed.) Citation

Hardy, Godfrey H. Ramanujan: 12 Lectures on Subjects Suggested by His Life and Work. New York: Chelsea, 1959.

MLA (9th ed.) Citation

Hardy, Godfrey H. Ramanujan: 12 Lectures on Subjects Suggested by His Life and Work. Chelsea, 1959.