APA
Piddlesden J H, . (1940). The concentration of latex by centrifugal machines. : Journal of the Rubber Research Institute of Malaya.
Chicago
Piddlesden J H, . 1940. The concentration of latex by centrifugal machines. : Journal of the Rubber Research Institute of Malaya.
Harvard
Piddlesden J H, . (1940). The concentration of latex by centrifugal machines. : Journal of the Rubber Research Institute of Malaya.
MLA
Piddlesden J H, . The concentration of latex by centrifugal machines. : Journal of the Rubber Research Institute of Malaya. 1940.