Science for the farmer :
55th annual report.
APA Citation
Pennsylvania State College. Agricultural Experiment Station. (1942). Science for the farmer: 55th annual report. State College: Pennsylvania State College, School of Agriculture, Agricultural Experiment Station.
MLA Citation
Pennsylvania State College. Agricultural Experiment Station. Science for the Farmer: 55th Annual Report. State College: Pennsylvania State College, School of Agriculture, Agricultural Experiment Station, 1942.
Warning: These citations may not always be complete (especially for serials).