APA Citation

Koch, R. (1997). The 80/20 principle: The secret of achieving more with less. London: Nicholas Brealey.

Chicago Style Citation

Koch, Richard. The 80/20 Principle: The Secret of Achieving More With Less. London: Nicholas Brealey, 1997.

MLA Citation

Koch, Richard. The 80/20 Principle: The Secret of Achieving More With Less. London: Nicholas Brealey, 1997.

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