APA (7th ed.) Citation

Buttle, J. W., Daniels, D. J., & Beckett, P. J. (1970). Chemistry: A unified approach (2.ed.). Butterworths.

Chicago Style (17th ed.) Citation

Buttle, Joseph W., David J. Daniels, and Peter J. Beckett. Chemistry: A Unified Approach. 2.ed. London: Butterworths, 1970.

MLA (9th ed.) Citation

Buttle, Joseph W., et al. Chemistry: A Unified Approach. 2.ed. Butterworths, 1970.