APA
Gibbons G W, Nuffield workshop on the very early universe (1983 : Cambridge), Hawking S W & Siklos S T C. (1983). Proceedings on very early universe. London: Cambridge University.
Chicago
Gibbons G W, Nuffield workshop on the very early universe (1983 : Cambridge), Hawking S W and Siklos S T C. 1983. Proceedings on very early universe. London: Cambridge University.
Harvard
Gibbons G W, Nuffield workshop on the very early universe (1983 : Cambridge), Hawking S W and Siklos S T C. (1983). Proceedings on very early universe. London: Cambridge University.
MLA
Gibbons G W, Nuffield workshop on the very early universe (1983 : Cambridge), Hawking S W and Siklos S T C. Proceedings on very early universe. London: Cambridge University. 1983.
