APA
Spann D. R., Sellon R. K., Thrall D. E., Bostian A. E. & Boston G. T. (19990209). Computed tomographic diagnosis: use of computed tomography to distinguish a pulmonary mass from alveolar disease. : Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association.
Chicago
Spann D R, Sellon R K, Thrall D E, Bostian A E and Boston G T. 19990209. Computed tomographic diagnosis: use of computed tomography to distinguish a pulmonary mass from alveolar disease. : Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association.
Harvard
Spann D. R., Sellon R. K., Thrall D. E., Bostian A. E. and Boston G. T. (19990209). Computed tomographic diagnosis: use of computed tomography to distinguish a pulmonary mass from alveolar disease. : Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association.
MLA
Spann D R, Sellon R K, Thrall D E, Bostian A E and Boston G T. Computed tomographic diagnosis: use of computed tomography to distinguish a pulmonary mass from alveolar disease. : Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association. 19990209.