APA
Joseph M, Karthikakuttyamma M, Punnoose K I & Sudhakumari B. (2007). Response of rubber seedlings in the nursery to application of zinc. : Natural Rubber Research.
Chicago
Joseph M, Karthikakuttyamma M, Punnoose K I and Sudhakumari B. 2007. Response of rubber seedlings in the nursery to application of zinc. : Natural Rubber Research.
Harvard
Joseph M, Karthikakuttyamma M, Punnoose K I and Sudhakumari B. (2007). Response of rubber seedlings in the nursery to application of zinc. : Natural Rubber Research.
MLA
Joseph M, Karthikakuttyamma M, Punnoose K I and Sudhakumari B. Response of rubber seedlings in the nursery to application of zinc. : Natural Rubber Research. 2007.