APA (7th ed.) Citation

del Rio Parra. Materia médica. The University of North Carolina Press.

Chicago Style (17th ed.) Citation

del Rio Parra. Materia Médica. The University of North Carolina Press.

MLA (8th ed.) Citation

del Rio Parra. Materia Médica. The University of North Carolina Press.

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