APA (7th ed.) Citation

Johnson, E. A., Grauch, R. I., & Herring, J. R. (2007). Petrographic descriptions of selected rock specimens from the Meade Peak Phosphatic Shale Member, Phosphoria Formation (Permian), southeastern Idaho. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Johnson, Edward A., Richard I. Grauch, and J. R. Herring. Petrographic Descriptions of Selected Rock Specimens from the Meade Peak Phosphatic Shale Member, Phosphoria Formation (Permian), Southeastern Idaho. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2007.

MLA (9th ed.) Citation

Johnson, Edward A., et al. Petrographic Descriptions of Selected Rock Specimens from the Meade Peak Phosphatic Shale Member, Phosphoria Formation (Permian), Southeastern Idaho. U.S. Dept. of the Interior, U.S. Geological Survey, 2007.