APA (7th ed.) Citation

Richardson, H. W. (1975). Elements of regional economics (Repr.). Penguin Books.

Chicago Style (17th ed.) Citation

Richardson, Harry Ward. Elements of Regional Economics. Repr. Harmondsworth, Middlesex: Penguin Books, 1975.

MLA (9th ed.) Citation

Richardson, Harry Ward. Elements of Regional Economics. Repr. Penguin Books, 1975.

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