Duff, M. J., & Isham, C. J. (1982). Quantum structure of space and time: Proceedings of the Nuffield workshop, Imperial College, London, 3-21 August, 1981. Cambridge University.
Chicago Style (17th ed.) CitationDuff, Michael James, and Chris John Isham. Quantum Structure of Space and Time: Proceedings of the Nuffield Workshop, Imperial College, London, 3-21 August, 1981. Cambridge: Cambridge University, 1982.
MLA (9th ed.) CitationDuff, Michael James, and Chris John Isham. Quantum Structure of Space and Time: Proceedings of the Nuffield Workshop, Imperial College, London, 3-21 August, 1981. Cambridge University, 1982.