Style de citation APA

Sagar, G. (1977). Origin of pest, parasite,diseases and weed problems. Blackwell Scientific Publication.

Style de citation Chicago

Sagar, G.R. Origin of Pest, Parasite,diseases and Weed Problems. Oxford: Blackwell Scientific Publication, 1977.

Style de citation MLA

Sagar, G.R. Origin of Pest, Parasite,diseases and Weed Problems. Blackwell Scientific Publication, 1977.