APA
Stone R. H. C. A. B. &. E. F. I., . (1969). New biology for tropical schools. Orient Longman, New Delhi: .
Chicago
Stone R H Cozens A B & Emina F I, . 1969. New biology for tropical schools. Orient Longman, New Delhi: .
Harvard
Stone R. H. C. A. B. &. E. F. I., . (1969). New biology for tropical schools. Orient Longman, New Delhi: .
MLA
Stone R H Cozens A B & Emina F I, . New biology for tropical schools. Orient Longman, New Delhi: . 1969.