APA   Click to copy
Englund, E. A., Gopi, H. N., & Appella, D. H. (2004). An efficient synthesis of a probe for protein function: 2, 3-diaminopropionic acid with orthogonal protecting groups. Organic Letters, 6, 213–215.

Chicago/Turabian   Click to copy
Englund, Ethan A, Hosahudya N Gopi, and Daniel H Appella. “An Efficient Synthesis of a Probe for Protein Function: 2, 3-Diaminopropionic Acid with Orthogonal Protecting Groups.” Organic Letters 6 (2004): 213–215.

MLA   Click to copy
Englund, Ethan A., et al. “An Efficient Synthesis of a Probe for Protein Function: 2, 3-Diaminopropionic Acid with Orthogonal Protecting Groups.” Organic Letters, vol. 6, ACS Publications, 2004, pp. 213–15.

@article{englund2004a,
  title = {An efficient synthesis of a probe for protein function: 2, 3-diaminopropionic acid with orthogonal protecting groups},
  year = {2004},
  journal = {Organic Letters},
  pages = {213--215},
  publisher = {ACS Publications},
  volume = {6},
  author = {Englund, Ethan A and Gopi, Hosahudya N and Appella, Daniel H}
}