APA (7th ed.) Citation

Oliveira, A., Brás, S., Milheiro, A., & Cardoso, J. (2015). Painful purple nodule on the right thigh—Answer. Mattioli1885.

Chicago Style (17th ed.) Citation

Oliveira, André, Susana Brás, Adelaide Milheiro, and Jorge Cardoso. Painful Purple Nodule on the Right Thigh—Answer. Mattioli1885, 2015.

MLA (8th ed.) Citation

Oliveira, André, et al. Painful Purple Nodule on the Right Thigh—Answer. Mattioli1885, 2015.