Cita APA (7th ed.)

Pilgrim, A. (1993). Upgrade or repair your PC & save a bundle (3rd ed.). Windcrest/McGraw-Hill.

Cita Chicago (17th ed.)

Pilgrim, Aubrey. Upgrade or Repair Your PC & Save a Bundle. 3rd ed. [Blue Ridge Summit, Pa]: Windcrest/McGraw-Hill, 1993.

Cita MLA (9th ed.)

Pilgrim, Aubrey. Upgrade or Repair Your PC & Save a Bundle. 3rd ed. Windcrest/McGraw-Hill, 1993.