APA-viite

Sparks, C., & Isaacs, S. (2004). Political theorists in context. Routledge.

Chicago-tyylinen lähdeviittaus

Sparks, Chris, ja Stuart Isaacs. Political Theorists in Context. London ; New York, N.Y.: Routledge, 2004.

MLA-viite

Sparks, Chris, ja Stuart Isaacs. Political Theorists in Context. Routledge, 2004.