Cita APA (7th ed.)

Munroe, R. (2014). What if? 2: Additional serious scientific answers to absurd hypothetical questions. Houghton Mifflin Harcourt.

Cita Chicago (17th ed.)

Munroe, Randall. What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions. Boston: Houghton Mifflin Harcourt, 2014.

Cita MLA (9th ed.)

Munroe, Randall. What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions. Houghton Mifflin Harcourt, 2014.