APA   Click to copy
Karle, I., Gopi, H. N., & Balaram, P. (2003). An almost ideal 19-residue alpha-helix that accommodates three D-residues in the sequence.

Chicago/Turabian   Click to copy
Karle, I, HN Gopi, and P Balaram. “An Almost Ideal 19-Residue Alpha-Helix That Accommodates Three D-Residues in the Sequence” (December 1, 2003).

MLA   Click to copy
Karle, I., et al. An Almost Ideal 19-Residue Alpha-Helix That Accommodates Three D-Residues in the Sequence. Dec. 2003.

@article{i2003a,
  title = {An almost ideal 19-residue alpha-helix that accommodates three D-residues in the sequence},
  year = {2003},
  month = dec,
  day = {1},
  author = {Karle, I and Gopi, HN and Balaram, P},
  month_numeric = {12}
}