Street, R. (1974). Elementary cosmoi I. In Category Seminar (pp. 134–180). Springer Berlin Heidelberg. https://doi.org/10.1007/bfb0063103 
@incollection{Street1974,
  title = {Elementary cosmoi I},
  author = {Street, Ross},
  year = {1974},
  booktitle = {Category Seminar},
  publisher = {Springer Berlin Heidelberg},
  pages = {134--180},
  doi = {10.1007/bfb0063103},
  url = {https://doi.org/10.1007/bfb0063103}
}