APA (7th ed.) Citation

University of York, Arthos, J., & Patrides, C. A. (1968). Approaches to Paradise Lost: The York tercentenary lectures. Edward Arnold.

Chicago Style (17th ed.) Citation

University of York, John Arthos, and C. A. Patrides. Approaches to Paradise Lost: The York Tercentenary Lectures. London: Edward Arnold, 1968.

MLA (9th ed.) Citation

University of York, et al. Approaches to Paradise Lost: The York Tercentenary Lectures. Edward Arnold, 1968.