Gaya APA

Heftmann, E. (1976). Journal of Chromatography Library Volume 8 : Chromatography of Steroids . New York: Elseivier Scientific Publishing Company.

Gaya MLA

Heftmann, Erich. "Journal of Chromatography Library Volume 8 : Chromatography of Steroids". New York: Elseivier Scientific Publishing Company, 1976. Text.