APA (7th ed.) Citation

Berg, H. v. d. (1993). Natural control of Helicoverpa armigera in smallholder crops in East Africa. [publisher not identified].

Chicago Style (17th ed.) Citation

Berg, Henk van den. Natural Control of Helicoverpa Armigera in Smallholder Crops in East Africa. [Wageningen]: [publisher not identified], 1993.

MLA (9th ed.) Citation

Berg, Henk van den. Natural Control of Helicoverpa Armigera in Smallholder Crops in East Africa. [publisher not identified], 1993.

Warning: These citations may not always be 100% accurate.