APA (7th ed.) Citation

Vickers, S. (1984). Pocket guide sinclair spectrum. Pitman Publishing.

Chicago Style (17th ed.) Citation

Vickers, Steven. Pocket Guide Sinclair Spectrum. London: Pitman Publishing, 1984.

MLA (9th ed.) Citation

Vickers, Steven. Pocket Guide Sinclair Spectrum. Pitman Publishing, 1984.

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