APA-viite

Kanigel, R. (1991). The man who knew infinity: A life of the genius Ramanujan. Abacus.

Chicago-tyylinen lähdeviittaus

Kanigel, Robert. The Man Who Knew Infinity: A Life of the Genius Ramanujan. London: Abacus, 1991.

MLA-viite

Kanigel, Robert. The Man Who Knew Infinity: A Life of the Genius Ramanujan. Abacus, 1991.