Cita APA (7a ed.)

Munroe, R. (2014). What if?: Serious scientific answers to absurd hypothetical questions. Houghton Mifflin Harcourt.

Cita Chicago Style (17a ed.)

Munroe, Randall. What If?: Serious Scientific Answers to Absurd Hypothetical Questions. Boston: Houghton Mifflin Harcourt, 2014.

Cita MLA (8a ed.)

Munroe, Randall. What If?: Serious Scientific Answers to Absurd Hypothetical Questions. Houghton Mifflin Harcourt, 2014.