Gelb, M. (1998). How to think like Leonardo Da Vinci: Seven steps to genius every day. Delta Trade Paperbacks.
Цитирование в стиле Чикаго (17-е изд.)Gelb, Michael. How to Think like Leonardo Da Vinci: Seven Steps to Genius Every Day. New York, N.Y.: Delta Trade Paperbacks, 1998.
Цитирование MLA (8-е изд.)Gelb, Michael. How to Think like Leonardo Da Vinci: Seven Steps to Genius Every Day. Delta Trade Paperbacks, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.