Cita APA (7th ed.)

Allen, B. R. (1984). VisiCalc--Apple: An executive's guide : ten easy lessons and one hard one. Reston Pub. Co..

Cita Chicago (17th ed.)

Allen, Brandt R. VisiCalc--Apple: An Executive's Guide : Ten Easy Lessons and One Hard One. Reston, Va.: Reston Pub. Co., 1984.

Cita MLA (8th ed.)

Allen, Brandt R. VisiCalc--Apple: An Executive's Guide : Ten Easy Lessons and One Hard One. Reston Pub. Co., 1984.