Krupp, C. (2008). How not to look old: Fast and effortless ways to look 10 years younger, 10 pounds lighter, 10 times better. Springboard Press.
Цитирование в стиле Чикаго (17-е изд.)Krupp, Charla. How Not to Look Old: Fast and Effortless Ways to Look 10 Years Younger, 10 Pounds Lighter, 10 Times Better. New York: Springboard Press, 2008.
Цитирование MLA (8-е изд.)Krupp, Charla. How Not to Look Old: Fast and Effortless Ways to Look 10 Years Younger, 10 Pounds Lighter, 10 Times Better. Springboard Press, 2008.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.