توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Youssef, D. E., Handler, S. S., Richards, S. M., Sheppard, C. A., Smith, J., Tillman, K., . . . Bates, A. (2023, January). Multicenter review of a tadalafil suspension formulation for infants and children with pulmonary hypertension: A North American experience. Frontiers in Pediatrics.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Youssef, David Edward, et al. "Multicenter Review of a Tadalafil Suspension Formulation for Infants and Children with Pulmonary Hypertension: A North American Experience." Frontiers in Pediatrics Jan. 2023.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Youssef, David Edward, et al. "Multicenter Review of a Tadalafil Suspension Formulation for Infants and Children with Pulmonary Hypertension: A North American Experience." Frontiers in Pediatrics, Jan. 2023.