APA
(1955). The Journal of Soil Science Nos (1 &2). : Oxford University Press London.
Chicago
1955. The Journal of Soil Science Nos (1 &2). : Oxford University Press London.
Harvard
(1955). The Journal of Soil Science Nos (1 &2). : Oxford University Press London.
MLA
The Journal of Soil Science Nos (1 &2). : Oxford University Press London. 1955.
