APA (7th ed.) Citation

Parr, R. L., Tizard, I. R., Wilson, V. G., & Young, C. R. (1992). The characterization of the spike protein and a comparison of two pathotypes of avian infectious bronchitis virus.

Chicago Style (17th ed.) Citation

Parr, Rebecca Lynne, Ian R. Tizard, Van G. Wilson, and Colin R. Young. The Characterization of the Spike Protein and a Comparison of Two Pathotypes of Avian Infectious Bronchitis Virus. 1992.

MLA (9th ed.) Citation

Parr, Rebecca Lynne, et al. The Characterization of the Spike Protein and a Comparison of Two Pathotypes of Avian Infectious Bronchitis Virus. 1992.

Warning: These citations may not always be 100% accurate.