APA Citation

Sadler, J., & Ritchie, R. (2001). A level exam practice: Chemistry. London: Letts Educational.

Chicago Style Citation

Sadler, John, and Rob Ritchie. A Level Exam Practice: Chemistry. London: Letts Educational, 2001.

MLA Citation

Sadler, John, and Rob Ritchie. A Level Exam Practice: Chemistry. London: Letts Educational, 2001.

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