APA
edited by Erich Ziegler and Herta Ziegler, . (1998). Flavourings : production, composition, applications, regulations. Wiley-VCH, New York: .
Chicago
edited by Erich Ziegler and Herta Ziegler, . 1998. Flavourings : production, composition, applications, regulations. Wiley-VCH, New York: .
Harvard
edited by Erich Ziegler and Herta Ziegler, . (1998). Flavourings : production, composition, applications, regulations. Wiley-VCH, New York: .
MLA
edited by Erich Ziegler and Herta Ziegler, . Flavourings : production, composition, applications, regulations. Wiley-VCH, New York: . 1998.