APA (7th ed.) Citation

Lancaster, D. (1984). Enhancing your Apple II (2nd ed.). H.W. Sams.

Chicago Style (17th ed.) Citation

Lancaster, Don. Enhancing Your Apple II. 2nd ed. Indianapolis, Ind.: H.W. Sams, 1984.

MLA (9th ed.) Citation

Lancaster, Don. Enhancing Your Apple II. 2nd ed. H.W. Sams, 1984.