Harvard:
Luce, G.H. undated, "Note on Maru tones", in Luce Collection, MS 6574-7, pp. 019. National Library of Australia.
APA:
Luce, G.H. (undated). Note on Maru tones. Luce Collection, MS 6574-7, 019. National Library of Australia.
Chicago:
Luce, Gordon H. undated. "Note On Maru Tones." In Luce Collection, MS 6574-7, 019. National Library of Australia.
MLA:
Luce, Gordon H. "Note On Maru Tones." Luce Collection, MS 6574-7. undated, 019.
Citation within the text:
(Luce undated)
Zotero:
Save reference in Zotero
BibTeX:
@unpublished{luce-78.019,
  author = {Luce, Gordon H.},
  title = {Note on Maru tones},
  year = {undated},
  booktitle  = {Luce Collection, MS 6574-7},
  publisher = {National Library of Australia},
  permission = {1},
  folder = {78},
  pages = {019},
  keywords = {tones},
  url = {http://purl.org/sealang/luce-78.019.pdf}
  source = {sealang},
}