Cita APA (7th ed.)

Kurzweil, R. (2005). The singularity is near: When humans transcend biology. Viking.

Cita Chicago (17th ed.)

Kurzweil, Ray. The Singularity Is Near: When Humans Transcend Biology. New York: Viking, 2005.

Cita MLA (9th ed.)

Kurzweil, Ray. The Singularity Is Near: When Humans Transcend Biology. Viking, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.