APA način citiranja

Halka, M., & Nordstrom, B. (2011). Lanthanides and actinides. Facts on File.

Čikaški stil citiranja

Halka, Monica, i Brian Nordstrom. Lanthanides and Actinides. New York: Facts on File, 2011.

MLA način citiranja

Halka, Monica, i Brian Nordstrom. Lanthanides and Actinides. Facts on File, 2011.