Harvard:
Gilbert, W.H.,Jr. 1944, "<Peoples of India> ??", pp. 86 pp.. Smithsonian Institution.
APA:
Gilbert, W.H.,Jr. (1944). <Peoples of India> ?? 86 pp.. Smithsonian Institution.
Chicago:
Gilbert, William H., Jr. 1944. "<Peoples of India> ??" 86 pp.. Smithsonian Institution.
MLA:
Gilbert, William H., Jr. "<Peoples of India> ??" 1944, 86 pp..
Citation within the text:
(Gilbert 1944)
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BibTeX:
@book{gilbert1944peoples,
  author = {Gilbert, William H., Jr.},
  title = {<Peoples of India> ??},
  year = {1944},
  pages = {86 pp.},
  publisher = {Smithsonian Institution},
  address = {Washington, DC},
  keywords = {Austroasiatic, India: Demog; Tibeto-Burman, India: Demog},
  x-series = {<Smithsonian Institution War Background Studies>},
  x-unclear = {18},
  source = {Huffman86-a-k},
}