Extension circular.
APA Citation
North Carolina State College. Agricultural Extension Service., North Carolina. State college of agriculture and engineering, W. Raleigh. Agricultural extension service. (1915). Extension circular. Raleigh.
MLA Citation
North Carolina State College. Agricultural Extension Service, and West Raleigh. Agricultural extension service North Carolina. State college of agriculture and engineering. Extension Circular. Raleigh, 1915.
Warning: These citations may not always be complete (especially for serials).