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 Marshall Leicester. Discovery of the Elements. 7th ed. Easton, Pa.: Journal of chemical education, 1968.

MLA (9th ed.) Citation

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