APA Citation

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

Chicago Style Citation

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

MLA Citation

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

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