Harvard:
Purnell, H.C. 1972, "A proposal for the study of the Yao song and ritual languages", in ms.,
APA:
Purnell, H.C. (1972). A proposal for the study of the Yao song and ritual languages. ms., .
Chicago:
Purnell, Herbert C. 1972. "A Proposal For the Study of the Yao Song and Ritual Languages." In ms., .
MLA:
Purnell, Herbert C. "A Proposal For the Study of the Yao Song and Ritual Languages." ms.. (1972): .
Citation within the text:
(Purnell 1972)
Zotero:
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BibTeX:
@article{purnell1972proposal,
  author = {Purnell, Herbert C.},
  title = {A proposal for the study of the Yao song and ritual languages},
  journal = {ms.},
  year = {1972},
  x-huffmanId = {2810},
  source = {huffman-l-z},
}