APA (7th ed.) Citation

Robertson, J. (1989). Future wealth: A new economics for the 21st century. Cassell.

Chicago Style (17th ed.) Citation

Robertson, James. Future Wealth: A New Economics for the 21st Century. London [etc.]: Cassell, 1989.

MLA (9th ed.) Citation

Robertson, James. Future Wealth: A New Economics for the 21st Century. Cassell, 1989.