Cita APA (7a ed.)

Middleton, P., Perez-Guzman, P. N., Cheng, A., Kumar, N., Kont, M. D., Daunt, A., . . . Nayagam, S. (2021). Characteristics and outcomes of clinically diagnosed RT-PCR swab negative COVID-19: A retrospective cohort study. Nature Portfolio.

Cita Chicago Style (17a ed.)

Middleton, Paul, et al. Characteristics and Outcomes of Clinically Diagnosed RT-PCR Swab Negative COVID-19: A Retrospective Cohort Study. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Middleton, Paul, et al. Characteristics and Outcomes of Clinically Diagnosed RT-PCR Swab Negative COVID-19: A Retrospective Cohort Study. Nature Portfolio, 2021.