APA-viite

Richards I.A. (1967). Principles of literary criticism. Routledge and kegan paul Ltd.

Chicago-tyylinen lähdeviittaus

Richards I.A. Principles of Literary Criticism. London: Routledge and kegan paul Ltd, 1967.

MLA-viite

Richards I.A. Principles of Literary Criticism. Routledge and kegan paul Ltd, 1967.