Cita APA (7th ed.)

Gessen, M. (2009). Perfect rigor: A genius and the mathematical breakthrough of the century. Houghton Mifflin Harcourt.

Cita Chicago (17th ed.)

Gessen, Masha. Perfect Rigor: A Genius and the Mathematical Breakthrough of the Century. Nueva York: Houghton Mifflin Harcourt, 2009.

Cita MLA (9th ed.)

Gessen, Masha. Perfect Rigor: A Genius and the Mathematical Breakthrough of the Century. Houghton Mifflin Harcourt, 2009.