APA (7th ed.) Citation

Gibson, P., & Jewell, D. (1985). Sulphasalazine and derivatives, natural killer activity and ulcerative colitis.

Chicago Style (17th ed.) Citation

Gibson, P., and D. Jewell. Sulphasalazine and Derivatives, Natural Killer Activity and Ulcerative Colitis. 1985.

MLA (9th ed.) Citation

Gibson, P., and D. Jewell. Sulphasalazine and Derivatives, Natural Killer Activity and Ulcerative Colitis. 1985.

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