APA (7th ed.) Citation

Burgos, C., Radu, C., Heyman, S., Cavalli-Björkman, N., & Nygren, P. Clinical characteristics and treatment outcome in p16 negative anal cancer. Medical Journals Sweden.

Chicago Style (17th ed.) Citation

Burgos, Catherine, Calin Radu, Sofia Heyman, Nina Cavalli-Björkman, and Peter Nygren. Clinical Characteristics and Treatment Outcome in P16 Negative Anal Cancer. Medical Journals Sweden.

MLA (9th ed.) Citation

Burgos, Catherine, et al. Clinical Characteristics and Treatment Outcome in P16 Negative Anal Cancer. Medical Journals Sweden.