APA
Chapman G W, . (1951). Plant hormones and yield in Hevea brasiliensis (Paper No 2). : Journal of the Rubber Research Institute of Malaya.
Chicago
Chapman G W, . 1951. Plant hormones and yield in Hevea brasiliensis (Paper No 2). : Journal of the Rubber Research Institute of Malaya.
Harvard
Chapman G W, . (1951). Plant hormones and yield in Hevea brasiliensis (Paper No 2). : Journal of the Rubber Research Institute of Malaya.
MLA
Chapman G W, . Plant hormones and yield in Hevea brasiliensis (Paper No 2). : Journal of the Rubber Research Institute of Malaya. 1951.