APA (7th ed.) Citation

Herd, S., & Sparling, C. (2000). Questions in Higher Chemistry. Leckie & Leckie Ltd.

Chicago Style (17th ed.) Citation

Herd, Sandy, and Chris Sparling. Questions in Higher Chemistry. UK: Leckie & Leckie Ltd, 2000.

MLA (9th ed.) Citation

Herd, Sandy, and Chris Sparling. Questions in Higher Chemistry. Leckie & Leckie Ltd, 2000.

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