Munroe, R. (2014). What if? 2: Additional serious scientific answers to absurd hypothetical questions. Houghton Mifflin Harcourt.
Citação norma ChicagoMunroe, Randall. What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions. Boston: Houghton Mifflin Harcourt, 2014.
Citação norma MLAMunroe, Randall. What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions. Houghton Mifflin Harcourt, 2014.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.