Cita APA (7th ed.)

Hagel John & Brown John Seely. (2005). The Only Sustainable Edge. Harvard Way,Boston, MA.

Cita Chicago (17th ed.)

Hagel John i Brown John Seely. The Only Sustainable Edge. USA: Harvard Way,Boston, MA, 2005.

Cita MLA (9th ed.)

Hagel John i Brown John Seely. The Only Sustainable Edge. Harvard Way,Boston, MA, 2005.