APA (7th ed.) Citation

Pennsylvania State University. Agricultural Economics Extension, Pennsylvania State University. Agricultural Extension Service, Pennsylvania State University. Cooperative Extension Service, & United States. Department of Agriculture. (1957). Farm economics. Cooperative Extension Service, Pennsylvannia State University.

Chicago Style (17th ed.) Citation

Pennsylvania State University. Agricultural Economics Extension, Pennsylvania State University. Agricultural Extension Service, Pennsylvania State University. Cooperative Extension Service, and United States. Department of Agriculture. Farm Economics. University Park, Pa.: Cooperative Extension Service, Pennsylvannia State University, 1957.

MLA (9th ed.) Citation

Pennsylvania State University. Agricultural Economics Extension, et al. Farm Economics. Cooperative Extension Service, Pennsylvannia State University, 1957.