A practical emergency call system.

Nj, W. (1968). A practical emergency call system. PubMed, 35(5), 24–5.

Nj, Weinberg. “A practical emergency call system.” PubMed, vol. 35, no. 5, 1968, pp. 24–5.

Nj, Weinberg. 1968. “A practical emergency call system.” PubMed 35 (5): 24–5.

Nj, W. (1968) ‘A practical emergency call system’, PubMed, 35(5), pp. 24–5.

@article{nj1968practical,
  title = {{A practical emergency call system.}},
  author = {Nj, Weinberg},
  journal = {PubMed},
  volume = {35},
  number = {5},
  pages = {24--5},
  year = {1968}
}