APA (7th ed.) Citation

Gibb, A., & Hawley, D. (2006). Intermediate 2 chemistry. Leckie & Leckie.

Chicago Style (17th ed.) Citation

Gibb, Archie, and David Hawley. Intermediate 2 Chemistry. UK: Leckie & Leckie, 2006.

MLA (9th ed.) Citation

Gibb, Archie, and David Hawley. Intermediate 2 Chemistry. Leckie & Leckie, 2006.

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