APA   Click to copy
Meagher, R. K. (2009). Observer ratings: Validity and value as a tool for animal welfare research. Applied Animal Behaviour Science, 119, 1–14.

Chicago/Turabian   Click to copy
Meagher, Rebecca K. “Observer Ratings: Validity and Value as a Tool for Animal Welfare Research.” Applied Animal Behaviour Science 119 (2009): 1–14.

MLA   Click to copy
Meagher, Rebecca K. “Observer Ratings: Validity and Value as a Tool for Animal Welfare Research.” Applied Animal Behaviour Science, vol. 119, 2009, pp. 1–14.

@article{meagher2009a,
  title = {Observer ratings: Validity and value as a tool for animal welfare research},
  year = {2009},
  journal = {Applied Animal Behaviour Science},
  pages = {1-14},
  volume = {119},
  author = {Meagher, Rebecca K.}
}