Frerichs, G., Arends, G., & Zörnig, H. (1942). Tratado de farmacia practica: Hager. Labor.
Chicago Style (17th ed.) CitationFrerichs, G., G. Arends, and H. Zörnig. Tratado De Farmacia Practica: Hager. Barcelona ; Buenos Aires, ES: Labor, 1942.
MLA (9th ed.) CitationFrerichs, G., et al. Tratado De Farmacia Practica: Hager. Labor, 1942.