Harvard:
Haupers, L. and Haupers, R. xxxx, "Stieng-English dictionary", vol. 24,
APA:
Haupers, L. and Haupers, R. (xxxx). Stieng-English dictionary. 24, .
Chicago:
Haupers, Lorraine and Ralph Haupers. xxxx. "Stieng-English Dictionary." 24: .
MLA:
Haupers, Lorraine and Ralph Haupers. "Stieng-English Dictionary." 24. (xxxx): .
Citation within the text:
(Haupers & Haupers xxxx)
Zotero:
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BibTeX:
@article{haupersxxxxstieng,
  title = {Stieng-English dictionary},
  author = {HAUPERS, Lorraine and HAUPERS, Ralph},
  year = {xxxx},
  volume = {24},
  address = {Tu sach Ngon-ngu” dan-to“c thie“u-so“ Vie“t Nam; cuo“n 24, pha“n 2},
  keywords = {Vietnam;Language;Lexicography;Reference},
  x-extra = {Tu sach Ngon-ngu” dan-to“c thie“u-so“ Vie“t Nam; cuo“npha“n 2},
  BAS = {241436},
  source = {bas},
}