APA
Helmhotz H., . (1938). On thought in medicine (vol-6/2): anaddress delivered august 2, 1877 ,on the anniversary of the foundation of the institute for the education of army Surgeons. Baltimore: John Hopkins Press.
Chicago
Helmhotz H.Von, . 1938. On thought in medicine (vol-6/2): anaddress delivered august 2, 1877 ,on the anniversary of the foundation of the institute for the education of army Surgeons. Baltimore: John Hopkins Press.
Harvard
Helmhotz H., . (1938). On thought in medicine (vol-6/2): anaddress delivered august 2, 1877 ,on the anniversary of the foundation of the institute for the education of army Surgeons. Baltimore: John Hopkins Press.
MLA
Helmhotz H.Von, . On thought in medicine (vol-6/2): anaddress delivered august 2, 1877 ,on the anniversary of the foundation of the institute for the education of army Surgeons. Baltimore: John Hopkins Press. 1938.