APA (7th ed.) Citation

Nieboer, E., & Jørgensen, C. V. (1975). Rare earths. Springer.

Chicago Style (17th ed.) Citation

Nieboer, Evert, and Christian V. Jørgensen. Rare Earths. Berlin u.a: Springer, 1975.

MLA (9th ed.) Citation

Nieboer, Evert, and Christian V. Jørgensen. Rare Earths. Springer, 1975.