Cita APA (7a ed.)

Smith, H. S., Pappagallo, M., & Stahl, S. M. Essential pain pharmacology: The prescriber's guide.

Cita Chicago Style (17a ed.)

Smith, Howard S., Marco Pappagallo, y Stephen M. Stahl. Essential Pain Pharmacology: The Prescriber's Guide.

Cita MLA (9a ed.)

Smith, Howard S., et al. Essential Pain Pharmacology: The Prescriber's Guide.