APA-viite

Lewis, D. C. (1973). Crabbe: Poet to Poet (1st.). Penguin Books Ltd.

Chicago-tyylinen lähdeviittaus

Lewis, Day C. Crabbe: Poet to Poet. 1st. Middlesex: Penguin Books Ltd, 1973.

MLA-viite

Lewis, Day C. Crabbe: Poet to Poet. 1st. Penguin Books Ltd, 1973.