APA
Menrad K., Enzing C. e. a. & Agrafiotis D. (1999). Future impacts of biotechnology on agriculture, food product. Heidelberg: Physica-Verlag.
Chicago
Menrad K, Enzing C.M et al and Agrafiotis D. 1999. Future impacts of biotechnology on agriculture, food product. Heidelberg: Physica-Verlag.
Harvard
Menrad K., Enzing C. e. a. and Agrafiotis D. (1999). Future impacts of biotechnology on agriculture, food product. Heidelberg: Physica-Verlag.
MLA
Menrad K, Enzing C.M et al and Agrafiotis D. Future impacts of biotechnology on agriculture, food product. Heidelberg: Physica-Verlag. 1999.