APA (7th ed.) Citation

Horsley Lorraine & Brownjohn, E. (2004). Clever machines: Level 1. Ladybird books.

Chicago Style (17th ed.) Citation

Horsley Lorraine and Emma Brownjohn. Clever Machines: Level 1. London: Ladybird books, 2004.

MLA (9th ed.) Citation

Horsley Lorraine and Emma Brownjohn. Clever Machines: Level 1. Ladybird books, 2004.

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