APA-viite

Bloom, H. (2007). Arthur Koestler's darkness at noon. Viva Books.

Chicago-tyylinen lähdeviittaus

Bloom, Harold. Arthur Koestler's Darkness at Noon. New Delhi: Viva Books, 2007.

MLA-viite

Bloom, Harold. Arthur Koestler's Darkness at Noon. Viva Books, 2007.