APA (7th ed.) Citation

Levin, S. B., Archfield, S. A., & Massey, A. J. (2011). Refinement and evaluation of the Massachusetts firm-yield estimator model version 2.0. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Levin, Sara B., Stacey A. Archfield, and Andrew J. Massey. Refinement and Evaluation of the Massachusetts Firm-yield Estimator Model Version 2.0. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2011.

MLA (9th ed.) Citation

Levin, Sara B., et al. Refinement and Evaluation of the Massachusetts Firm-yield Estimator Model Version 2.0. U.S. Dept. of the Interior, U.S. Geological Survey, 2011.