APA (7th ed.) Citation

González-Martín, J., Elvira, L., & Villalobos, N. P. (2013). Essential guide to calving. Servet, Grupo Asís Biomedia, S.L..

Chicago Style (17th ed.) Citation

González-Martín, J.V, L. Elvira, and N. Pérez Villalobos. Essential Guide to Calving. Zaragoza: Servet, Grupo Asís Biomedia, S.L., 2013.

MLA (9th ed.) Citation

González-Martín, J.V, et al. Essential Guide to Calving. Servet, Grupo Asís Biomedia, S.L., 2013.