APA   Click to copy
Costa, J. H. C., Meagher, R. K., von Keyserlingk, M. A. G., & Weary, D. M. (2015). Early pair housing increases solid feed intake and weight gains in dairy calves. Journal of Dairy Science, 98, 6381–6386.

Chicago/Turabian   Click to copy
Costa, J. H. C., R. K. Meagher, M. A. G. von Keyserlingk, and D. M. Weary. “Early Pair Housing Increases Solid Feed Intake and Weight Gains in Dairy Calves.” Journal of Dairy Science 98 (2015): 6381–6386.

MLA   Click to copy
Costa, J. H. C., et al. “Early Pair Housing Increases Solid Feed Intake and Weight Gains in Dairy Calves.” Journal of Dairy Science, vol. 98, 2015, pp. 6381–86.

@article{costa2015a,
  title = {Early pair housing increases solid feed intake and weight gains in dairy calves},
  year = {2015},
  journal = {Journal of Dairy Science},
  pages = {6381-6386},
  volume = {98},
  author = {Costa, J. H. C. and Meagher, R. K. and von Keyserlingk, M. A. G. and Weary, D. M.}
}