APA Edition Citation

Packer, A. H. (1972). Models of economics systems: A theory for their development and use. Massachusetts Instiute of Technology.

Chicago Edition Citation

Packer, Arnold H. Models of Economics Systems: A Theory for Their Development and Use. U. S. A.: Massachusetts Instiute of Technology, 1972.

MLA Edition Citation

Packer, Arnold H. Models of Economics Systems: A Theory for Their Development and Use. Massachusetts Instiute of Technology, 1972.

Warning: These citations may not always be 100% accurate.