Harvard:
Luce, G.H. undated, ""Guide to Pronunciation of Quoc Ngu" (Vietnamese script)", in Luce Collection, MS 6574-7, pp. 055-056. National Library of Australia.
APA:
Luce, G.H. (undated). "Guide to Pronunciation of Quoc Ngu" (Vietnamese script). Luce Collection, MS 6574-7, 055-056. National Library of Australia.
Chicago:
Luce, Gordon H. undated. ""Guide To Pronunciation of Quoc Ngu" (Vietnamese Script)." In Luce Collection, MS 6574-7, 055-056. National Library of Australia.
MLA:
Luce, Gordon H. ""Guide To Pronunciation of Quoc Ngu" (Vietnamese Script)." Luce Collection, MS 6574-7. undated, 055-056.
Citation within the text:
(Luce undated)
Zotero:
Save reference in Zotero
BibTeX:
@unpublished{luce-55.055-056,
  author = {Luce, Gordon H.},
  title = {"Guide to Pronunciation of Quoc Ngu" (Vietnamese script)},
  year = {undated},
  booktitle  = {Luce Collection, MS 6574-7},
  publisher = {National Library of Australia},
  permission = {1},
  folder = {55},
  pages = {055-056},
  keywords = {transcription},
  url = {http://purl.org/sealang/luce-55.055-056.pdf}
  source = {sealang},
}