APA (7th ed.) Citation

Weeks, M. E., & Leicester, H. M. (1968). Discovery of the elements (7th ed.). Journal of chemical education.

Chicago Style (17th ed.) Citation

Weeks, Mary Elvira, and Henry M. Leicester. Discovery of the Elements. 7th ed. [Easton, Pa.]: Journal of chemical education, 1968.

MLA (8th ed.) Citation

Weeks, Mary Elvira, and Henry M. Leicester. Discovery of the Elements. 7th ed. Journal of chemical education, 1968.