APA (7th ed.) Citation

Armstrong, R., Jager, E., & Eberhardt, P. A comparison of K-Ar and Rb-Sr ages on Alpine biotites. Elsevier.

Chicago Style (17th ed.) Citation

Armstrong, R.L, E. Jager, and P. Eberhardt. A Comparison of K-Ar and Rb-Sr Ages on Alpine Biotites. Amsterdam: Elsevier.

MLA (9th ed.) Citation

Armstrong, R.L, et al. A Comparison of K-Ar and Rb-Sr Ages on Alpine Biotites. Elsevier.

Warning: These citations may not always be 100% accurate.