Harvard:
Thomas, N.W. 1918, "The Tribes of Sierra Leone", in American Anthropologist, vol. 20, no. 3, pp. 337--338. American Anthropological Association.
APA:
Thomas, N.W. (1918). The Tribes of Sierra Leone. American Anthropologist, 20 (3) , 337--338. American Anthropological Association.
Chicago:
Thomas, N. W. 1918. "The Tribes of Sierra Leone." In American Anthropologist, 20 , no. 3: 337--338. American Anthropological Association.
MLA:
Thomas, N. W. "The Tribes of Sierra Leone." American Anthropologist. 20.3 (1918): 337--338.
Citation within the text:
(Thomas 1918)
Zotero:
Save reference in Zotero
BibTeX:
@article{thomas1918tribes,
  source = {jstor},
  ISSN = {0002-7294},
  author = {Thomas, N. W.},
  copyright = {Copyright 1918 American Anthropological Association},
  group = {Discussion and Correspondence},
  journal = {American Anthropologist},
  jstor_articletype = {Full Length Article},
  jstor_date = {191807/191809},
  jstor_formatteddate = {Jul. - Sep., 1918},
  month = {jul},
  number = {3},
  pages = {337--338},
  publisher = {American Anthropological Association},
  series = {2},
  title = {The Tribes of Sierra Leone},
  url = {http://links.jstor.org/sici?sici=0002-7294%28191807%2F09%292%3A20%3A3%3C337%3ATTOSL%3E2.0.CO%3B2-5},
  volume = {20},
  year = {1918},
}