Harvard:
Friberg, T., Friberg, B. and Pittman, R.S. 1972, "More on the generation of tones from registers", in Work papers of the Summer Institute of Linguistics, University of North Dakota, vol. 16, pp. 66-70.
APA:
Friberg, T., Friberg, B. and Pittman, R.S. (1972). More on the generation of tones from registers. Work papers of the Summer Institute of Linguistics, University of North Dakota, 16, 66-70.
Chicago:
Friberg, Timothy, Barbara Friberg and Richard S. Pittman. 1972. "More On the Generation of Tones From Registers." In Work papers of the Summer Institute of Linguistics, University of North Dakota, 16: 66-70.
MLA:
Friberg, Timothy, Barbara Friberg and Richard S. Pittman. "More On the Generation of Tones From Registers." Work papers of the Summer Institute of Linguistics, University of North Dakota. 16. (1972): 66-70.
Citation within the text:
(Friberg, Friberg & Pittman 1972)
Zotero:
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BibTeX:
@article{friberg1972more,
  author = {Friberg, Timothy and Friberg, Barbara and Pittman, Richard S.},
  title = {More on the generation of tones from registers},
  year = {1972},
  journal = {Work papers of the Summer Institute of Linguistics, University of North Dakota},
  volume = {16},
  pages = {66-70},
  keywords = {Mon-Khmer: Register; Mon-Khmer: Tonogenesis},
  source = {Huffman86-a-k},
}