APA Edition Citation

Richardson, H. W. (1969). Elements of regional economics / Harry W. Richardson. Penguin Books.

Chicago Edition Citation

Richardson, Harry W. Elements of Regional Economics / Harry W. Richardson. Harmondsworth: Penguin Books, 1969.

MLA Edition Citation

Richardson, Harry W. Elements of Regional Economics / Harry W. Richardson. Penguin Books, 1969.

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