Harvard:
Smalley, W.A. xxxx, "Linguistic diversity and national unity: language ecology in Thailand",
APA:
Smalley, W.A. (xxxx). Linguistic diversity and national unity: language ecology in Thailand. .
Chicago:
Smalley, William Allen. xxxx. "Linguistic Diversity and National Unity: Language Ecology in Thailand." .
MLA:
Smalley, William Allen. "Linguistic Diversity and National Unity: Language Ecology in Thailand." (xxxx): .
Citation within the text:
(Smalley xxxx)
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BibTeX:
@article{smalleyxxxxlinguistic,
  title = {Linguistic diversity and national unity: language ecology in Thailand},
  author = {SMALLEY, William Allen},
  year = {xxxx},
  keywords = {Thailand;Language},
  BAS = {570074},
  source = {bas},
}