APA (7th ed.) Citation

Williams, A., Parkes, K. S., & Smith, R. (1990). Literature on the threshold: The German novel in the 1980's. Berg.

Chicago Style (17th ed.) Citation

Williams, Arthur, K. Stuart Parkes, and Roland Smith. Literature on the Threshold: The German Novel in the 1980's. Oxford [England] ; New York: Berg, 1990.

MLA (9th ed.) Citation

Williams, Arthur, et al. Literature on the Threshold: The German Novel in the 1980's. Berg, 1990.