APA

Joseph M.[a], Karthikakuttyamma M & Mathew M. (1993). Transformation of potassium in rubber growing red and laterite soils of South India. : In: Red and lateritic soils of South India. (Eds. J. Sehgal, et al). National Bureau of Soil Survey and Land Use Planning, Nagpur, India, pp. 221-225.

Chicago

Joseph M.[a], Karthikakuttyamma M and Mathew M. 1993. Transformation of potassium in rubber growing red and laterite soils of South India. : In: Red and lateritic soils of South India. (Eds. J. Sehgal, et al). National Bureau of Soil Survey and Land Use Planning, Nagpur, India, pp. 221-225.

Harvard

Joseph M.[a], Karthikakuttyamma M and Mathew M. (1993). Transformation of potassium in rubber growing red and laterite soils of South India. : In: Red and lateritic soils of South India. (Eds. J. Sehgal, et al). National Bureau of Soil Survey and Land Use Planning, Nagpur, India, pp. 221-225.

MLA

Joseph M.[a], Karthikakuttyamma M and Mathew M. Transformation of potassium in rubber growing red and laterite soils of South India. : In: Red and lateritic soils of South India. (Eds. J. Sehgal, et al). National Bureau of Soil Survey and Land Use Planning, Nagpur, India, pp. 221-225. 1993.