APA (7th ed.) Citation

Hopkins, R. T., Alminas, H. V., & Hoffman, J. D. (1984). Silver distribution in B-horizon soils, Iron River 1⁰ x 2⁰ quadrangle, Michigan and Wisconsin. The Survey.

Chicago Style (17th ed.) Citation

Hopkins, R. T., Henry V. Alminas, and J. D. Hoffman. Silver Distribution in B-horizon Soils, Iron River 1⁰ X 2⁰ Quadrangle, Michigan and Wisconsin. Reston, Va.: The Survey, 1984.

MLA (9th ed.) Citation

Hopkins, R. T., et al. Silver Distribution in B-horizon Soils, Iron River 1⁰ X 2⁰ Quadrangle, Michigan and Wisconsin. The Survey, 1984.