APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Buttle, Joseph Walter, David John Daniels, and Peter John Beckett. Chemistry: A Unified Approach. 2nd ed. London: Butterworths, 1970.

MLA (9th ed.) Citation

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