Hagan, W. A., Gillespie, J. H., Timoney, J. F., & Bruner, D. W. (1981). Hagan and Bruner's Infectious diseases of domestic animals: With reference to etiology, pathogenicity, immunity, epidemiology, diagnosis, and biologic therapy (7th ed.). Comstock Pub. Associates.
Chicago Style (17th ed.) CitationHagan, William Arthur, James Howard Gillespie, John Francis Timoney, and Dorsey William Bruner. Hagan and Bruner's Infectious Diseases of Domestic Animals: With Reference to Etiology, Pathogenicity, Immunity, Epidemiology, Diagnosis, and Biologic Therapy. 7th ed. Ithaca: Comstock Pub. Associates, 1981.
MLA (9th ed.) CitationHagan, William Arthur, et al. Hagan and Bruner's Infectious Diseases of Domestic Animals: With Reference to Etiology, Pathogenicity, Immunity, Epidemiology, Diagnosis, and Biologic Therapy. 7th ed. Comstock Pub. Associates, 1981.