APA (7th ed.) Citation

Stieff, L. R., Eicher, R. N., & Stern, T. W. Algebraic and graphic methods for evaluating discordant lead-isotope ages.

Chicago Style (17th ed.) Citation

Stieff, L. R., R. N. Eicher, and T. W. Stern. Algebraic and Graphic Methods for Evaluating Discordant Lead-isotope Ages.

MLA (9th ed.) Citation

Stieff, L. R., et al. Algebraic and Graphic Methods for Evaluating Discordant Lead-isotope Ages.

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