The rare earths :
their occurrence, chemistry, and technology /
by S. I. Levy.

APA Citation

Levy, S. Isaac., Crookes, W. (1915). The rare earths: their occurrence, chemistry, and technology. New York: Longmans, Green.

MLA Citation

Levy, Stanley Isaac, and William Crookes. The Rare Earths: Their Occurrence, Chemistry, And Technology. New York: Longmans, Green, 1915.

Warning: These citations may not always be complete (especially for serials).