APA   Click to copy
Parkash, O., Kumar, R., Kumar, D., & Bahadur, D. (1988). Preparation and structure of the system La1- x Na x Co1- x Nb x O3 (0.01⩽ x⩽ 0.99). Journal of Materials Science Letters, 7, 383–385.

Chicago/Turabian   Click to copy
Parkash, Om, Rabindra Kumar, Devendra Kumar, and D Bahadur. “Preparation and Structure of the System La1- x Na x Co1- x Nb x O3 (0.01⩽ x⩽ 0.99).” Journal of materials science letters 7 (1988): 383–385.

MLA   Click to copy
Parkash, Om, et al. “Preparation and Structure of the System La1- x Na x Co1- x Nb x O3 (0.01⩽ x⩽ 0.99).” Journal of Materials Science Letters, vol. 7, Kluwer Academic Publishers, 1988, pp. 383–85.

@article{parkash1988a,
  title = {Preparation and structure of the system La1- x Na x Co1- x Nb x O3 (0.01⩽ x⩽ 0.99)},
  year = {1988},
  journal = {Journal of materials science letters},
  pages = {383--385},
  publisher = {Kluwer Academic Publishers},
  volume = {7},
  author = {Parkash, Om and Kumar, Rabindra and Kumar, Devendra and Bahadur, D}
}