APA
de Carvalho F. M., Gaunt S. D., Kearney M. T., Rich G. A. & Tully T. N. (20100218). Reference intervals of plasma calcium, phosphorus, and magnesium for African grey parrots (Psittacus erithacus) and Hispaniolan parrots (Amazona ventralis). : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.
Chicago
de Carvalho Fernanda M, Gaunt Stephen D, Kearney Michael T, Rich Gregory A and Tully Thomas N. 20100218. Reference intervals of plasma calcium, phosphorus, and magnesium for African grey parrots (Psittacus erithacus) and Hispaniolan parrots (Amazona ventralis). : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.
Harvard
de Carvalho F. M., Gaunt S. D., Kearney M. T., Rich G. A. and Tully T. N. (20100218). Reference intervals of plasma calcium, phosphorus, and magnesium for African grey parrots (Psittacus erithacus) and Hispaniolan parrots (Amazona ventralis). : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.
MLA
de Carvalho Fernanda M, Gaunt Stephen D, Kearney Michael T, Rich Gregory A and Tully Thomas N. Reference intervals of plasma calcium, phosphorus, and magnesium for African grey parrots (Psittacus erithacus) and Hispaniolan parrots (Amazona ventralis). : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians. 20100218.