Munroe, R. (2014). What if?: Serious scientific answers to absurd hypothetical questions / Randall Munroe. Houghton Mifflin Harcourt.
Citación estilo ChicagoMunroe, Randall. What If?: Serious Scientific Answers to Absurd Hypothetical Questions / Randall Munroe. Boston: Houghton Mifflin Harcourt, 2014.
Cita MLAMunroe, Randall. What If?: Serious Scientific Answers to Absurd Hypothetical Questions / Randall Munroe. Houghton Mifflin Harcourt, 2014.
Warning: These citations may not always be 100% accurate.