توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Williamson, E., Sanchez-Santos, M., Fairbank, J., Wood, L., & Lamb, S. (2024). Predicting persistent back pain causing severe interference with daily activities among community-dwelling older adults: The OPAL cohort study. BioMed Central.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Williamson, E., MT Sanchez-Santos, J. Fairbank, L. Wood, و SE Lamb. Predicting Persistent Back Pain Causing Severe Interference with Daily Activities Among Community-dwelling Older Adults: The OPAL Cohort Study. BioMed Central, 2024.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Williamson, E., et al. Predicting Persistent Back Pain Causing Severe Interference with Daily Activities Among Community-dwelling Older Adults: The OPAL Cohort Study. BioMed Central, 2024.