APA (7th ed.) Citation

Elnaem, M. H., Hamdy, N. A., & Babar, Z. (2019). Professional boundaries. Elsevier.

Chicago Style (17th ed.) Citation

Elnaem, Mohamed Hassan, Noha Alaa Hamdy, and Zaheer-Ud-Din Babar. Professional Boundaries. Elsevier, 2019.

MLA (8th ed.) Citation

Elnaem, Mohamed Hassan, et al. Professional Boundaries. Elsevier, 2019.