APA (7th ed.) Citation

Cooper, S., Kirtschig, G., Jeffery, K., & Wojnarowska, F. (2004). No association between hepatitis B or C viruses and vulval lichen planus in a UK population.

Chicago Style (17th ed.) Citation

Cooper, S., G. Kirtschig, K. Jeffery, and F. Wojnarowska. No Association Between Hepatitis B or C Viruses and Vulval Lichen Planus in a UK Population. 2004.

MLA (9th ed.) Citation

Cooper, S., et al. No Association Between Hepatitis B or C Viruses and Vulval Lichen Planus in a UK Population. 2004.