JK, C., SJ, O., MA, W., & MB, H. (1999). Breadth of protection of the respiratory tract provided by different live-attenuated infectious bronchitis vaccines against challenge with infectious bronchitis viruses of heterologous serotypes. Avian pathology : journal of the W.V.P.A, 28(5), 477. https://doi.org/10.1080/03079459994506
Chicago Style (17th ed.) CitationJK, Cook, Orbell SJ, Woods MA, and Huggins MB. "Breadth of Protection of the Respiratory Tract Provided by Different Live-attenuated Infectious Bronchitis Vaccines Against Challenge with Infectious Bronchitis Viruses of Heterologous Serotypes." Avian Pathology : Journal of the W.V.P.A 28, no. 5 (1999): 477. https://doi.org/10.1080/03079459994506.
MLA (9th ed.) CitationJK, Cook, et al. "Breadth of Protection of the Respiratory Tract Provided by Different Live-attenuated Infectious Bronchitis Vaccines Against Challenge with Infectious Bronchitis Viruses of Heterologous Serotypes." Avian Pathology : Journal of the W.V.P.A, vol. 28, no. 5, 1999, p. 477, https://doi.org/10.1080/03079459994506.