APA
Thottappily G. e. a., . (1992). Biotechnology : enhancing research on tropical crops in Africa. United Kingdom: Sayce publishing.
Chicago
Thottappily G et al, . 1992. Biotechnology : enhancing research on tropical crops in Africa. United Kingdom: Sayce publishing.
Harvard
Thottappily G. e. a., . (1992). Biotechnology : enhancing research on tropical crops in Africa. United Kingdom: Sayce publishing.
MLA
Thottappily G et al, . Biotechnology : enhancing research on tropical crops in Africa. United Kingdom: Sayce publishing. 1992.