APA (7th ed.) Citation

Shelley & Hunt. (1984). Computer studies a first course (2nd ed.). Pitman.

Chicago Style (17th ed.) Citation

Shelley and Hunt. Computer Studies a First Course. 2nd ed. London: Pitman, 1984.

MLA (8th ed.) Citation

Shelley and Hunt. Computer Studies a First Course. 2nd ed. Pitman, 1984.