Harvard:
Zhang, S. 2005, "English proficiency levels", in China today: an encyclopedia of life in the People's Republic. Westport, Conn, ed. J. Luo, pp. 150-152. Greenwood Press.
APA:
Zhang, S. (2005). English proficiency levels. In J. Luo (Ed.), China today: an encyclopedia of life in the People's Republic. Westport, Conn, 150-152. Greenwood Press.
Chicago:
Zhang, Senquan. 2005. "English Proficiency Levels." In China today: an encyclopedia of life in the People's Republic. Westport, Conn, edited by Jing Luo. 150-152. Greenwood Press.
MLA:
Zhang, Senquan. "English Proficiency Levels." China today: an encyclopedia of life in the People's Republic. Westport, Conn. Ed. Jing Luo. 2005, Greenwood Press, 150-152.
Citation within the text:
(Zhang 2005)
Zotero:
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BibTeX:
@incollection{zhang2005english,
  title = {English proficiency levels},
  author = {ZHANG, Senquan},
  booktitle = {China today: an encyclopedia of life in the People's Republic. Westport, Conn},
  year = {2005},
  pages = {150-152},
  editor = {Luo, Jing},
  publisher = {Greenwood Press},
  address = {; London},
  keywords = {China;Language},
  x-extra = {. xxviii, 773p. , ,},
  BAS = {682855},
  source = {bas},
}