APA (7th ed.) Citation

Bould, M., Butler, A. M., Roberts, A., & Vint, S. (2011). The Routledge companion to science fiction. Routledge/Taylor & Francis Group.

Chicago Style (17th ed.) Citation

Bould, Mark, Andrew M. Butler, Adam Roberts, and Sherryl Vint. The Routledge Companion to Science Fiction. London: Routledge/Taylor & Francis Group, 2011.

MLA (9th ed.) Citation

Bould, Mark, et al. The Routledge Companion to Science Fiction. Routledge/Taylor & Francis Group, 2011.