Παραπομπή σε μορφή APA (7η εκδ.)

Hawley, S., Sacks, S., Bowness, P., & Prieto-Alhambra, D. (2018). Incidence of total hip and knee replacement in UK patients with ankylosing spondylitis. Journal of Rheumatology.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hawley, S., S. Sacks, P. Bowness, και D. Prieto-Alhambra. Incidence of Total Hip and Knee Replacement in UK Patients with Ankylosing Spondylitis. Journal of Rheumatology, 2018.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hawley, S., et al. Incidence of Total Hip and Knee Replacement in UK Patients with Ankylosing Spondylitis. Journal of Rheumatology, 2018.