APA   Click to copy
Bahadur, D., Gupta, K. P., & Tewari, M. (1991). Structure and Superconductivity in Y3+ Ba2+ 2-xNa+ xCu3+ 3-yCu2+ yO2-8-(x+ y)/2-$\delta$. In Retrospective Collection (Vol. 7, pp. 727–732). Trans Tech Publications.

Chicago/Turabian   Click to copy
Bahadur, D, KP Gupta, and M Tewari. “Structure and Superconductivity in Y3+ Ba2+ 2-XNa+ xCu3+ 3-yCu2+ yO2-8-(x+ y)/2-$\Delta$.” In Retrospective Collection, 7:727–732. Trans Tech Publications, 1991.

MLA   Click to copy
Bahadur, D., et al. “Structure and Superconductivity in Y3+ Ba2+ 2-XNa+ xCu3+ 3-yCu2+ yO2-8-(x+ y)/2-$\Delta$.” Retrospective Collection, vol. 7, Trans Tech Publications, 1991, pp. 727–32.

@inproceedings{bahadur1991a,
  title = {Structure and Superconductivity in Y3+ Ba2+ 2-xNa+ xCu3+ 3-yCu2+ yO2-8-(x+ y)/2-$\delta$},
  year = {1991},
  organization = {Trans Tech Publications},
  pages = {727--732},
  volume = {7},
  author = {Bahadur, D and Gupta, KP and Tewari, M},
  booktitle = {Retrospective Collection}
}