Pigatto, P. D., Spadari, F., Meroni, L., & Guzzi, G. (2008). Black hairy tongue associated with long-term oral erythromycin use. Journal of the European Academy of Dermatology & Venereology, 22(10), 1269. https://doi.org/10.1111/j.1468-3083.2008.02621.x
Chicago Style (17th ed.) CitationPigatto, P. D., F. Spadari, L. Meroni, and G. Guzzi. "Black Hairy Tongue Associated with Long-term Oral Erythromycin Use." Journal of the European Academy of Dermatology & Venereology 22, no. 10 (2008): 1269. https://doi.org/10.1111/j.1468-3083.2008.02621.x.
MLA (9th ed.) CitationPigatto, P. D., et al. "Black Hairy Tongue Associated with Long-term Oral Erythromycin Use." Journal of the European Academy of Dermatology & Venereology, vol. 22, no. 10, 2008, p. 1269, https://doi.org/10.1111/j.1468-3083.2008.02621.x.