APA引文

Iowa State University. Cooperative Extension Service, Iowa Farm Business Association, & United States. Department of Agriculture. (1934). Iowa farm outlook. Cooperative Extension Service, Iowa State University of Science and Technology.

Chicago Style (17th ed.) Citation

Iowa State University. Cooperative Extension Service, Iowa Farm Business Association, and United States. Department of Agriculture. Iowa Farm Outlook. Ames (Iowa): Cooperative Extension Service, Iowa State University of Science and Technology, 1934.

MLA引文

Iowa State University. Cooperative Extension Service, et al. Iowa Farm Outlook. Cooperative Extension Service, Iowa State University of Science and Technology, 1934.

警告:這些引文格式不一定是100%准確.