Harvard:
Luce, G.H. undated, "Draft: "Historical Speculations" (brief note)", in Luce Collection, MS 6574-7, pp. 041. National Library of Australia.
APA:
Luce, G.H. (undated). Draft: "Historical Speculations" (brief note). Luce Collection, MS 6574-7, 041. National Library of Australia.
Chicago:
Luce, Gordon H. undated. "Draft: "Historical Speculations" (brief Note)." In Luce Collection, MS 6574-7, 041. National Library of Australia.
MLA:
Luce, Gordon H. "Draft: "Historical Speculations" (brief Note)." Luce Collection, MS 6574-7. undated, 041.
Citation within the text:
(Luce undated)
Zotero:
Save reference in Zotero
BibTeX:
@unpublished{luce-2.041,
  author = {Luce, Gordon H.},
  title = {Draft: "Historical Speculations" (brief note)},
  year = {undated},
  booktitle  = {Luce Collection, MS 6574-7},
  publisher = {National Library of Australia},
  permission = {1},
  folder = {2},
  pages = {041},
  keywords = {history},
  url = {http://purl.org/sealang/luce-2.041.pdf}
  source = {sealang},
}