APA (7th ed.) Citation

Youssef, E., Cooper, V., Delpech, V., Davies, K., & Wright, J. (2017). Barriers and facilitators to HIV testing in people age 50 and above: A systematic review. Clinical Medicine, 17(6), 508. https://doi.org/10.7861/clinmedicine.17-6-508

Chicago Style (17th ed.) Citation

Youssef, Elaney, Vanessa Cooper, Valerie Delpech, Kevin Davies, and Juliet Wright. "Barriers and Facilitators to HIV Testing in People Age 50 and Above: A Systematic Review." Clinical Medicine 17, no. 6 (2017): 508. https://doi.org/10.7861/clinmedicine.17-6-508.

MLA (9th ed.) Citation

Youssef, Elaney, et al. "Barriers and Facilitators to HIV Testing in People Age 50 and Above: A Systematic Review." Clinical Medicine, vol. 17, no. 6, 2017, p. 508, https://doi.org/10.7861/clinmedicine.17-6-508.