Harvard:
Penth, H. 1975, "Again: the fortification of Chiang San", in Journal of the Siam Society, vol. 63, no. 2,
APA:
Penth, H. (1975). Again: the fortification of Chiang San. Journal of the Siam Society, 63 (2) , .
Chicago:
Penth, Hans. 1975. "Again: the Fortification of Chiang San." In Journal of the Siam Society, 63 , no. 2: .
MLA:
Penth, Hans. "Again: the Fortification of Chiang San." Journal of the Siam Society. 63.2 (1975): .
Citation within the text:
(Penth 1975)
Zotero:
Save reference in Zotero
BibTeX:
@article{penth1975again,
  title = {Again: the fortification of Chiang San},
  author = {PENTH, Hans},
  journal = {Journal of the Siam Society},
  year = {1975},
  month = {Jul},
  volume = {63},
  number = {2},
  address = {Bangkok},
  keywords = {Thailand;General & Miscellaneous},
  x-date = {Jul, 1975},
  BAS = {471954},
  source = {bas},
}