Munroe, R. (2014). What if? 2: Additional serious scientific answers to absurd hypothetical questions. Houghton Mifflin Harcourt.
Цитирование в стиле Чикаго (17-е изд.)Munroe, Randall. What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions. Boston: Houghton Mifflin Harcourt, 2014.
Цитирование MLA (9-е изд.)Munroe, Randall. What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions. Houghton Mifflin Harcourt, 2014.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.