Cita APA (7a ed.)

Costa, E. D., Minero, M., Lebelt, D., Stucke, D., Canali, E., & Leach, M. C. (2014). Development of the Horse Grimace Scale (HGS) as a pain assessment tool in horses undergoing routine castration. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Costa, Emanuela Dalla, Michela Minero, Dirk Lebelt, Diana Stucke, Elisabetta Canali, y Matthew C. Leach. Development of the Horse Grimace Scale (HGS) as a Pain Assessment Tool in Horses Undergoing Routine Castration. Public Library of Science (PLoS), 2014.

Cita MLA (8a ed.)

Costa, Emanuela Dalla, et al. Development of the Horse Grimace Scale (HGS) as a Pain Assessment Tool in Horses Undergoing Routine Castration. Public Library of Science (PLoS), 2014.