APA
Addiscott T. M., Whitmore A. P. & Powlson D. S. (1991). Farming, fertilizers and the nitrate problem. Wallingford: C.A.B. International.
Chicago
Addiscott T M, Whitmore A P and Powlson D S. 1991. Farming, fertilizers and the nitrate problem. Wallingford: C.A.B. International.
Harvard
Addiscott T. M., Whitmore A. P. and Powlson D. S. (1991). Farming, fertilizers and the nitrate problem. Wallingford: C.A.B. International.
MLA
Addiscott T M, Whitmore A P and Powlson D S. Farming, fertilizers and the nitrate problem. Wallingford: C.A.B. International. 1991.