Urban, H. (2003). Life's greatest lessons: 20 things that matter (4. ed., 1. Fireside ed.). Simon & Schuster.
Chicago Style (17th ed.) CitationUrban, Hal. Life's Greatest Lessons: 20 Things That Matter. 4. ed., 1. Fireside ed. New York [u.a.]: Simon & Schuster, 2003.
MLA (9th ed.) CitationUrban, Hal. Life's Greatest Lessons: 20 Things That Matter. 4. ed., 1. Fireside ed. Simon & Schuster, 2003.
Warning: These citations may not always be 100% accurate.