APA (7th ed.) Citation

ScienceDirect (Online service), Kurliandskaia, E. B., & Letavet, A. A. (1967). Iron-59. Pergamon Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), E. B. Kurliandskaia, and A. A. Letavet. Iron-59. Oxford: Pergamon Press, 1967.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Iron-59. Pergamon Press, 1967.