Cita APA (7th ed.)

Buttle, J. W., Daniels, D. J., & Beckett, P. J. (1974). Chemistry: A unified approach (3a. ed.). Butterworths.

Cita Chicago (17th ed.)

Buttle, J. W., D. J. Daniels, i P. J. Beckett. Chemistry: A Unified Approach. 3a. ed. Londres: Butterworths, 1974.

Cita MLA (9th ed.)

Buttle, J. W., et al. Chemistry: A Unified Approach. 3a. ed. Butterworths, 1974.