BibTex format
@inbook{Isham:2001,
author = {Isham, CJ},
booktitle = {The future of theoretical physics and cosmology: celebrating Stephen Hawking's 60th birthday},
editor = {Gibbons},
pages = {384--408},
publisher = {Cambridge University Press},
title = {Some reflections on the status of conventional quantum theory when applied to qunatum gravity},
year = {2001}
}