APA (7th ed.) Citation

Costa, C., Palmisano, F., & Scalvenzi, M. (2014). An atypical pigmented lesion—Answer. Mattioli1885.

Chicago Style (17th ed.) Citation

Costa, Claudia, Franco Palmisano, and Massimiliano Scalvenzi. An Atypical Pigmented Lesion—Answer. Mattioli1885, 2014.

MLA (8th ed.) Citation

Costa, Claudia, et al. An Atypical Pigmented Lesion—Answer. Mattioli1885, 2014.