Harvard:
Killingley, S.-. xxxx, "A new look at Cantonese tones: five or six?",
APA:
Killingley, S.-. (xxxx). A new look at Cantonese tones: five or six? .
Chicago:
Killingley, Siew-yue. xxxx. "A New Look At Cantonese Tones: Five or Six?" .
MLA:
Killingley, Siew-yue. "A New Look At Cantonese Tones: Five or Six?" (xxxx): .
Citation within the text:
(Killingley xxxx)
Zotero:
Save reference in Zotero
BibTeX:
@article{killingleyxxxxnew,
  title = {A new look at Cantonese tones: five or six?},
  author = {KILLINGLEY, Siew-yue},
  year = {xxxx},
  keywords = {China;Language;Linguistics},
  BAS = {311805},
  source = {bas},
}