Harvard:
Coblin, W.S. xxxx, "Studies in old northwest Chinese",
APA:
Coblin, W.S. (xxxx). Studies in old northwest Chinese. .
Chicago:
Coblin, W. South. xxxx. "Studies in Old Northwest Chinese." .
MLA:
Coblin, W. South. "Studies in Old Northwest Chinese." (xxxx): .
Citation within the text:
(Coblin xxxx)
Zotero:
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BibTeX:
@article{coblinxxxxstudies,
  title = {Studies in old northwest Chinese},
  author = {COBLIN, W. South},
  year = {xxxx},
  address = {Journal of Chinese Linguistics. Monograph series, no.4.},
  keywords = {China;Language;Linguistics},
  x-extra = {Journal of Chinese Linguistics. Monograph series, no.4.},
  BAS = {144083},
  source = {bas},
}