The elements of agricultural geology :
a scientific aid to practical farming.
APA Citation
McConnell, P. (1902). The elements of agricultural geology: a scientific aid to practical farming. London: Lockwood and son.
MLA Citation
McConnell, Primrose, 1856-. The Elements of Agricultural Geology: a Scientific Aid to Practical Farming. London: Lockwood and son, 1902.
Warning: These citations may not always be complete (especially for serials).