Cita APA (7a ed.)
Munroe, R. What If?: Serious Scientific Answers to Absurd Hypothetical Questions. Houghton Mifflin.
Cita estilo Chicago (17a ed.)
Munroe, Randall. What If?: Serious Scientific Answers to Absurd Hypothetical Questions. Nueva York, EUA: Houghton Mifflin.
Cita MLA (9a ed.)
Munroe, Randall. What If?: Serious Scientific Answers to Absurd Hypothetical Questions. Houghton Mifflin.
Precaución: Estas citas no son 100% exactas.