BibTex format
@article{Isham:2005:10.1007/s10701-004-1944-3,
author = {Isham, CJ},
doi = {10.1007/s10701-004-1944-3},
journal = {FOUNDATIONS OF PHYSICS},
pages = {271--297},
title = {Quantising on a category},
url = {http://dx.doi.org/10.1007/s10701-004-1944-3},
volume = {35},
year = {2005}
}