APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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