Cita APA

Ziegler, E., & Erich Ziegler, H. Z. (1998). Flavourings. Wiley.

Chicago Edition Citation

Ziegler, Erich, i Herta Ziegler Erich Ziegler. Flavourings. New York: Wiley, 1998.

Cita MLA

Ziegler, Erich, i Herta Ziegler Erich Ziegler. Flavourings. Wiley, 1998.