APA (7th ed.) Citation

Verwoerd, D. W. (1969). Purification and characterization of bluetongue virus. Virology (New York, N.Y.), 38(2), 203. https://doi.org/10.1016/0042-6822(69)90361-4

Chicago Style (17th ed.) Citation

Verwoerd, D W. "Purification and Characterization of Bluetongue Virus." Virology (New York, N.Y.) 38, no. 2 (1969): 203. https://doi.org/10.1016/0042-6822(69)90361-4.

MLA (9th ed.) Citation

Verwoerd, D W. "Purification and Characterization of Bluetongue Virus." Virology (New York, N.Y.), vol. 38, no. 2, 1969, p. 203, https://doi.org/10.1016/0042-6822(69)90361-4.