APA Edition Citation

Powell, P., & Timms, P. L. (1974). Chemistry of the non-metals. Chapman.

Chicago Edition Citation

Powell, P., and P. L. Timms. Chemistry of the Non-metals. London: Chapman, 1974.

MLA Edition Citation

Powell, P., and P. L. Timms. Chemistry of the Non-metals. Chapman, 1974.

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