APA
Fraser D., Duncan I. J. H., Edwards S. A., Grandin T., Gregory N. G., Guyonnet V., Hemsworth P. H., Huertas S. M., Huzzey J. M., Mellor D. J., Mench J. A., Spinka M. & Whay H. R. (20140619). General Principles for the welfare of animals in production systems: the underlying science and its application. : Veterinary journal (London, England : 1997).
Chicago
Fraser David, Duncan Ian J H, Edwards Sandra A, Grandin Temple, Gregory Neville G, Guyonnet Vincent, Hemsworth Paul H, Huertas Stella M, Huzzey Juliana M, Mellor David J, Mench Joy A, Spinka Marek and Whay H Rebecca. 20140619. General Principles for the welfare of animals in production systems: the underlying science and its application. : Veterinary journal (London, England : 1997).
Harvard
Fraser D., Duncan I. J. H., Edwards S. A., Grandin T., Gregory N. G., Guyonnet V., Hemsworth P. H., Huertas S. M., Huzzey J. M., Mellor D. J., Mench J. A., Spinka M. and Whay H. R. (20140619). General Principles for the welfare of animals in production systems: the underlying science and its application. : Veterinary journal (London, England : 1997).
MLA
Fraser David, Duncan Ian J H, Edwards Sandra A, Grandin Temple, Gregory Neville G, Guyonnet Vincent, Hemsworth Paul H, Huertas Stella M, Huzzey Juliana M, Mellor David J, Mench Joy A, Spinka Marek and Whay H Rebecca. General Principles for the welfare of animals in production systems: the underlying science and its application. : Veterinary journal (London, England : 1997). 20140619.