APA (7th ed.) Citation

Englisch, L. (1984). The machine language book for the Commodore 64 (1st english ed.). Abacus Software.

Chicago Style (17th ed.) Citation

Englisch, Lothar. The Machine Language Book for the Commodore 64. 1st english ed. Grand Rapids, Mich.: Abacus Software, 1984.

MLA (9th ed.) Citation

Englisch, Lothar. The Machine Language Book for the Commodore 64. 1st english ed. Abacus Software, 1984.