APA (7th ed.) Citation

Richardson, H. W. (1973). Elements of regional economics (Repr.). Penguin Books.

Chicago Style (17th ed.) Citation

Richardson, Harry Ward. Elements of Regional Economics. Repr. Harmondsworth, Middlesea: Penguin Books, 1973.

MLA (9th ed.) Citation

Richardson, Harry Ward. Elements of Regional Economics. Repr. Penguin Books, 1973.

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