Cita APA (7th ed.)

Wallace, J., & Erickson, J. (1992). Hard drive: Bill Gates and the making of the Microsoft empire. John Wiley & Sons.

Cita Chicago (17th ed.)

Wallace, James, i Jim Erickson. Hard Drive: Bill Gates and the Making of the Microsoft Empire. New York: John Wiley & Sons, 1992.

Cita MLA (9th ed.)

Wallace, James, i Jim Erickson. Hard Drive: Bill Gates and the Making of the Microsoft Empire. John Wiley & Sons, 1992.