APA (7th ed.) Citation

Ahrens, L., Von Michaelis, H., Erlank, A., & Willis, J. Fractionation of some abundant lithophile element ratios in chondrites. Elsevier.

Chicago Style (17th ed.) Citation

Ahrens, L.H, H. Von Michaelis, A.J Erlank, and J.P Willis. Fractionation of Some Abundant Lithophile Element Ratios in Chondrites. Amsterdam: Elsevier.

MLA (9th ed.) Citation

Ahrens, L.H, et al. Fractionation of Some Abundant Lithophile Element Ratios in Chondrites. Elsevier.