Cita APA

Weeks, M. E. (1956). Discovery of the elements (1956) (6th. ed.). Journal of Chemical Education.

Citación estilo Chicago

Weeks, Mary Elvira. Discovery of the Elements (1956). 6th. ed. Easton, Pa: Journal of Chemical Education, 1956.

Cita MLA

Weeks, Mary Elvira. Discovery of the Elements (1956). 6th. ed. Journal of Chemical Education, 1956.