Harvard:
Ramsey, S.R. 1987, "The languages of China", pp. xiv, 340 p. Princeton UP..
APA:
Ramsey, S.R. (1987). The languages of China. xiv, 340 p. Princeton UP..
Chicago:
Ramsey, S. Robert. 1987. "The Languages of China." xiv, 340 p. Princeton UP..
MLA:
Ramsey, S. Robert. "The Languages of China." (1987): xiv, 340 p.
Citation within the text:
(Ramsey 1987)
Zotero:
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BibTeX:
@article{ramsey1987languages,
  author = {Ramsey, S. Robert},
  title = {The languages of China},
  address = {Princeton, NJ},
  publisher = {Princeton UP.},
  year = {1987},
  pages = {xiv, 340 p},
  source = {BL},
}