APA (7th ed.) Citation

Valking & Waller, D. (1984). Pocket guide Pc-Dos. Pitman Publishing.

Chicago Style (17th ed.) Citation

Valking and Dick Waller. Pocket Guide Pc-Dos. London: Pitman Publishing, 1984.

MLA (9th ed.) Citation

Valking and Dick Waller. Pocket Guide Pc-Dos. Pitman Publishing, 1984.

Warning: These citations may not always be 100% accurate.