Brühl, W., & Krentz, K. (1970). Tratado y atlas de gastroscopia. Salvat.
Chicago Style (17th ed.) CitationBrühl, Wilhelm, and Klaus Krentz. Tratado Y Atlas De Gastroscopia. Barcelona [etc.]: Salvat, 1970.
MLA (9th ed.) CitationBrühl, Wilhelm, and Klaus Krentz. Tratado Y Atlas De Gastroscopia. Salvat, 1970.
Warning: These citations may not always be 100% accurate.