APA

Ling G. V., Thurmond M. C., Choi Y. K., Franti C. E., Ruby A. L. & Johnson D. L. (20040323). Changes in proportion of canine urinary calculi composed of calcium oxalate or struvite in specimens analyzed from 1981 through 2001. : Journal of veterinary internal medicine.

Chicago

Ling Gerald V, Thurmond Mark C, Choi Young K, Franti Charles E, Ruby Annette L and Johnson Deedra L. 20040323. Changes in proportion of canine urinary calculi composed of calcium oxalate or struvite in specimens analyzed from 1981 through 2001. : Journal of veterinary internal medicine.

Harvard

Ling G. V., Thurmond M. C., Choi Y. K., Franti C. E., Ruby A. L. and Johnson D. L. (20040323). Changes in proportion of canine urinary calculi composed of calcium oxalate or struvite in specimens analyzed from 1981 through 2001. : Journal of veterinary internal medicine.

MLA

Ling Gerald V, Thurmond Mark C, Choi Young K, Franti Charles E, Ruby Annette L and Johnson Deedra L. Changes in proportion of canine urinary calculi composed of calcium oxalate or struvite in specimens analyzed from 1981 through 2001. : Journal of veterinary internal medicine. 20040323.