APA (7th ed.) Citation

Derz, F. W., & Derz, F. W. (1976). ChemSUPPLIERSdirectory. de Gruyter.

Chicago Style (17th ed.) Citation

Derz, Friedrich W., and Friedrich W. Derz. ChemSUPPLIERSdirectory. Berlin: de Gruyter, 1976.

MLA (9th ed.) Citation

Derz, Friedrich W., and Friedrich W. Derz. ChemSUPPLIERSdirectory. de Gruyter, 1976.