APA-viite (7. p.)

Yusuf, I., Foot, B., & Lotery, A. (2021). The Royal College of Ophthalmologists recommendations on monitoring for hydroxychloroquine and chloroquine users in the United Kingdom (2020 revision): Executive summary. Springer Nature.

Chicago-viite (17. p.)

Yusuf, IH, B. Foot, ja AJ Lotery. The Royal College of Ophthalmologists Recommendations on Monitoring for Hydroxychloroquine and Chloroquine Users in the United Kingdom (2020 Revision): Executive Summary. Springer Nature, 2021.

MLA-viite (9. p.)

Yusuf, IH, et al. The Royal College of Ophthalmologists Recommendations on Monitoring for Hydroxychloroquine and Chloroquine Users in the United Kingdom (2020 Revision): Executive Summary. Springer Nature, 2021.