APA (7th ed.) Citation

Isokawa, S., Hifumi, T., & Ishimatsu, S. Man with severe COVID pneumonia. Elsevier.

Chicago Style (17th ed.) Citation

Isokawa, Shutaro, Toru Hifumi, and Shinichi Ishimatsu. Man with Severe COVID Pneumonia. Elsevier.

MLA (9th ed.) Citation

Isokawa, Shutaro, et al. Man with Severe COVID Pneumonia. Elsevier.