APA   Click to copy
van Leth, F. (2003). Identifying malnourished children may not be easy. British Medical Journal.

Chicago/Turabian   Click to copy
Leth, F. van. “Identifying Malnourished Children May Not Be Easy.” British medical journal (2003).

MLA   Click to copy
van Leth, F. “Identifying Malnourished Children May Not Be Easy.” British Medical Journal, 2003.

@article{f2003a,
  title = {Identifying malnourished children may not be easy},
  year = {2003},
  journal = {British medical journal},
  author = {van Leth, F.}
}