Harvard:
Fok, C.Y.-. xxxx, "A perceptual study of tones in Cantonese",
APA:
Fok, C.Y.-. (xxxx). A perceptual study of tones in Cantonese. .
Chicago:
Fok, Chan Yuen-yuen. xxxx. "A Perceptual Study of Tones in Cantonese." .
MLA:
Fok, Chan Yuen-yuen. "A Perceptual Study of Tones in Cantonese." (xxxx): .
Citation within the text:
(Fok xxxx)
Zotero:
Save reference in Zotero
BibTeX:
@article{fokxxxxperceptual,
  title = {A perceptual study of tones in Cantonese},
  author = {FOK, Chan Yuen-yuen},
  year = {xxxx},
  address = {Occasional papers and monographs, no.18},
  keywords = {China;Language;Linguistics},
  x-extra = {Occasional papers and monographs, no.18},
  BAS = {195665},
  source = {bas},
}