Harvard:
Luce, G.H. undated, "Checklist of numbered lexicon", in Luce Collection, MS 6574-7, pp. 049. National Library of Australia.
APA:
Luce, G.H. (undated). Checklist of numbered lexicon. Luce Collection, MS 6574-7, 049. National Library of Australia.
Chicago:
Luce, Gordon H. undated. "Checklist of Numbered Lexicon." In Luce Collection, MS 6574-7, 049. National Library of Australia.
MLA:
Luce, Gordon H. "Checklist of Numbered Lexicon." Luce Collection, MS 6574-7. undated, 049.
Citation within the text:
(Luce undated)
Zotero:
Save reference in Zotero
BibTeX:
@unpublished{luce-2.049,
  author = {Luce, Gordon H.},
  title = {Checklist of numbered lexicon},
  year = {undated},
  booktitle  = {Luce Collection, MS 6574-7},
  publisher = {National Library of Australia},
  permission = {1},
  folder = {2},
  pages = {049},
  keywords = {checklist|numbered},
  url = {http://purl.org/sealang/luce-2.049.pdf}
  source = {sealang},
}