APA (7th ed.) Citation

Koch, R. (2002). Living the 80/20 way: Work less, worry less succeed more, enjoy more. Nicholas Brealey Publishing.

Chicago Style (17th ed.) Citation

Koch, Richard. Living the 80/20 Way: Work Less, Worry Less Succeed More, Enjoy More. London Yarmouth, Me: Nicholas Brealey Publishing, 2002.

MLA (8th ed.) Citation

Koch, Richard. Living the 80/20 Way: Work Less, Worry Less Succeed More, Enjoy More. Nicholas Brealey Publishing, 2002.