Harvard:
Luce, G.H. undated, "Sak lexicon tone checklist", in Luce Collection, MS 6574-7, pp. 068a-068b. National Library of Australia.
APA:
Luce, G.H. (undated). Sak lexicon tone checklist. Luce Collection, MS 6574-7, 068a-068b. National Library of Australia.
Chicago:
Luce, Gordon H. undated. "Sak Lexicon Tone Checklist." In Luce Collection, MS 6574-7, 068a-068b. National Library of Australia.
MLA:
Luce, Gordon H. "Sak Lexicon Tone Checklist." Luce Collection, MS 6574-7. undated, 068a-068b.
Citation within the text:
(Luce undated)
Zotero:
Save reference in Zotero
BibTeX:
@unpublished{luce-80.068a-068b,
  author = {Luce, Gordon H.},
  title = {Sak lexicon tone checklist},
  year = {undated},
  booktitle  = {Luce Collection, MS 6574-7},
  publisher = {National Library of Australia},
  permission = {1},
  folder = {80},
  pages = {068a-068b},
  keywords = {lexicon|tones},
  url = {http://purl.org/sealang/luce-80.068a-068b.pdf}
  source = {sealang},
}