APA (7th ed.) Citation

Levene, T. (2009). Computing Made Easy for the over 50s. Which? Books Littlehampton Book Services, Limited [Distributor].

Chicago Style (17th ed.) Citation

Levene, Tony. Computing Made Easy for the over 50s. London : Worthing: Which? Books Littlehampton Book Services, Limited [Distributor], 2009.

MLA (9th ed.) Citation

Levene, Tony. Computing Made Easy for the over 50s. Which? Books Littlehampton Book Services, Limited [Distributor], 2009.