APA (7th ed.) Citation

Brian Arnold, Hannah Kingston, & Emma Poole. (2003). Science levels 5-7. Letts Educational.

Chicago Style (17th ed.) Citation

Brian Arnold, Hannah Kingston, and Emma Poole. Science Levels 5-7. London: Letts Educational, 2003.

MLA (9th ed.) Citation

Brian Arnold, et al. Science Levels 5-7. Letts Educational, 2003.

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