APA (7th ed.) Citation

Syed B. Ali, M., & William Smith, M. Reply. Elsevier.

Chicago Style (17th ed.) Citation

Syed B. Ali, MBBS, and MBBS William Smith. Reply. Elsevier.

MLA (9th ed.) Citation

Syed B. Ali, MBBS, and MBBS William Smith. Reply. Elsevier.

Warning: These citations may not always be 100% accurate.