APA (7th ed.) Citation
Isham, C., Penrose, R., & Sciama, D. (1975). Quantum Gravity: An Oxford symposium. Clarendon.
Chicago Style (17th ed.) Citation
Isham, C.J, Roger Penrose, and D.W Sciama. Quantum Gravity: An Oxford Symposium. Oxford: Clarendon, 1975.
MLA (9th ed.) Citation
Isham, C.J, et al. Quantum Gravity: An Oxford Symposium. Clarendon, 1975.
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