APA
Hall A. E., Cannell G. H. & Lawton H. W. (1979). Agriculture in semi-arid environments. New York: Springer-Verlag Berlin Heidenberg.
Chicago
Hall Anthony E, Cannell Glen H and Lawton Harry W. 1979. Agriculture in semi-arid environments. New York: Springer-Verlag Berlin Heidenberg.
Harvard
Hall A. E., Cannell G. H. and Lawton H. W. (1979). Agriculture in semi-arid environments. New York: Springer-Verlag Berlin Heidenberg.
MLA
Hall Anthony E, Cannell Glen H and Lawton Harry W. Agriculture in semi-arid environments. New York: Springer-Verlag Berlin Heidenberg. 1979.