Harvard:
Luce, G.H. undated, ""K'umi Tone 2" lexicon", in Luce Collection, MS 6574-7, pp. 050-051b. National Library of Australia.
APA:
Luce, G.H. (undated). "K'umi Tone 2" lexicon. Luce Collection, MS 6574-7, 050-051b. National Library of Australia.
Chicago:
Luce, Gordon H. undated. ""K'umi Tone 2" Lexicon." In Luce Collection, MS 6574-7, 050-051b. National Library of Australia.
MLA:
Luce, Gordon H. ""K'umi Tone 2" Lexicon." Luce Collection, MS 6574-7. undated, 050-051b.
Citation within the text:
(Luce undated)
Zotero:
Save reference in Zotero
BibTeX:
@unpublished{luce-75.050-051b,
  author = {Luce, Gordon H.},
  title = {"K'umi Tone 2" lexicon},
  year = {undated},
  booktitle  = {Luce Collection, MS 6574-7},
  publisher = {National Library of Australia},
  permission = {1},
  folder = {75},
  pages = {050-051b},
  keywords = {lexicon|tones},
  url = {http://purl.org/sealang/luce-75.050-051b.pdf}
  source = {sealang},
}