APA
Micheal Ledrer, . (1979). Journal of Chromatography. New York: Academic press.
Chicago
Micheal Ledrer, . 1979. Journal of Chromatography. New York: Academic press.
Harvard
Micheal Ledrer, . (1979). Journal of Chromatography. New York: Academic press.
MLA
Micheal Ledrer, . Journal of Chromatography. New York: Academic press. 1979.