APA (7th ed.) Citation

Downs, A. J. (1973). The chemistry of chlorine, bromine, iodine and astatine. Pergamon.

Chicago Style (17th ed.) Citation

Downs, A. J. The Chemistry of Chlorine, Bromine, Iodine and Astatine. Oxford, Eng: Pergamon, 1973.

MLA (9th ed.) Citation

Downs, A. J. The Chemistry of Chlorine, Bromine, Iodine and Astatine. Pergamon, 1973.