Cita APA (7a ed.)

Baldwin, B. A., Bareham, J. R., Duncan, I. J. H., Ewbank, R., Hardwick, D. C., & Vestergaard, K. (1981). Research and development in relation to farm animal welfare. Birkhäuser Verlag.

Cita Chicago Style (17a ed.)

Baldwin, B. A., J. R. Bareham, I. J. H. Duncan, R. Ewbank, D. C. Hardwick, y K. Vestergaard. Research and Development in Relation to Farm Animal Welfare. Basel: Birkhäuser Verlag, 1981.

Cita MLA (8a ed.)

Baldwin, B. A., et al. Research and Development in Relation to Farm Animal Welfare. Birkhäuser Verlag, 1981.