Harvard:
Chan, P.A. xxxx, "Reference booklet for Chinese last names",
APA:
Chan, P.A. (xxxx). Reference booklet for Chinese last names. .
Chicago:
Chan, P. Agnes. xxxx. "Reference Booklet For Chinese Last Names." .
MLA:
Chan, P. Agnes. "Reference Booklet For Chinese Last Names." (xxxx): .
Citation within the text:
(Chan xxxx)
Zotero:
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BibTeX:
@article{chanxxxxreference,
  title = {Reference booklet for Chinese last names},
  author = {CHAN, P. Agnes},
  year = {xxxx},
  keywords = {China;Language;Reference},
  BAS = {115221},
  source = {bas},
}