APA (7th ed.) Citation

Fretwell, M., & Whiteley, L. (2017). Environmental management for Cambridge IGCSE & O Level. Oxford University Press.

Chicago Style (17th ed.) Citation

Fretwell, Muriel, and Liz Whiteley. Environmental Management for Cambridge IGCSE & O Level. London: Oxford University Press, 2017.

MLA (8th ed.) Citation

Fretwell, Muriel, and Liz Whiteley. Environmental Management for Cambridge IGCSE & O Level. Oxford University Press, 2017.