APA (7th ed.) Citation

Tanja Schug, M., Lorenzo Cerroni, M., & Regina Fink-Puches, M. (2021). Long-standing purpuric exanthema. Elsevier.

Chicago Style (17th ed.) Citation

Tanja Schug, MD, MD Lorenzo Cerroni, and MD Regina Fink-Puches. Long-standing Purpuric Exanthema. Elsevier, 2021.

MLA (9th ed.) Citation

Tanja Schug, MD, et al. Long-standing Purpuric Exanthema. Elsevier, 2021.