Cita APA

Pilgrim, A. (1991). Upgrade your IBM compatible and save a bundle (2nd ed.). Windcrest.

Citación estilo Chicago

Pilgrim, Aubrey. Upgrade Your IBM Compatible and Save a Bundle. 2nd ed. Blue Ridge Summit, Pa: Windcrest, 1991.

Cita MLA

Pilgrim, Aubrey. Upgrade Your IBM Compatible and Save a Bundle. 2nd ed. Windcrest, 1991.