APA   Click to copy
Chamberlain, T. (2005). The Elusive Urn. British Museum Magazine, 52(Summer), 36–38.

Chicago/Turabian   Click to copy
Chamberlain, Tim. “The Elusive Urn.” British Museum Magazine 52, no. Summer (2005): 36–38.

MLA   Click to copy
Chamberlain, Tim. “The Elusive Urn.” British Museum Magazine, vol. 52, no. Summer, 2005, pp. 36–38.

@article{tim2005a,
  title = {The Elusive Urn},
  year = {2005},
  issue = {Summer},
  journal = {British Museum Magazine},
  pages = {36-38},
  volume = {52},
  author = {Chamberlain, Tim}
}