APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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