APA (7th ed.) Citation

Gehrels, F. (1994). R & D as investment: Theory and evidence from US and German pharmaceutical firms. Volkswirtschaftl. Fak. der Ludwig-Maximilians-Univ.

Chicago Style (17th ed.) Citation

Gehrels, Franz. R & D as Investment: Theory and Evidence from US and German Pharmaceutical Firms. München: Volkswirtschaftl. Fak. der Ludwig-Maximilians-Univ, 1994.

MLA (9th ed.) Citation

Gehrels, Franz. R & D as Investment: Theory and Evidence from US and German Pharmaceutical Firms. Volkswirtschaftl. Fak. der Ludwig-Maximilians-Univ, 1994.