توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

O’Brien, D., Harvey, K., & Creswell, C. (2019). Barriers to and facilitators of the identification, management and referral of childhood anxiety disorders in primary care: A survey of general practitioners in England. BMJ.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

O’Brien, D., K. Harvey, و C. Creswell. Barriers to and Facilitators of the Identification, Management and Referral of Childhood Anxiety Disorders in Primary Care: A Survey of General Practitioners in England. BMJ, 2019.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

O’Brien, D., et al. Barriers to and Facilitators of the Identification, Management and Referral of Childhood Anxiety Disorders in Primary Care: A Survey of General Practitioners in England. BMJ, 2019.