APA
Micheal Ledrer, . (1981). Journal of Chromatography. Amsterdam: Elseiver Scientific Publications.
Chicago
Micheal Ledrer, . 1981. Journal of Chromatography. Amsterdam: Elseiver Scientific Publications.
Harvard
Micheal Ledrer, . (1981). Journal of Chromatography. Amsterdam: Elseiver Scientific Publications.
MLA
Micheal Ledrer, . Journal of Chromatography. Amsterdam: Elseiver Scientific Publications. 1981.