Cita APA (7a ed.)

Topp, N. E. (1965). The chemistry of the rare-earth elements. Elsevier.

Cita Chicago Style (17a ed.)

Topp, N. E. The Chemistry of the Rare-earth Elements. Amsterdam [etc.]: Elsevier, 1965.

Cita MLA (9a ed.)

Topp, N. E. The Chemistry of the Rare-earth Elements. Elsevier, 1965.