APA (7th ed.) Citation

Lahr, J. C. (2001). Table-top earthquakes: A demonstration of seismology for teachers and students that can be used to augment lessons in earth science, physics, math, social studies, geography (Online ed. updated Mar. 6, 2001.). U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Lahr, John C. Table-top Earthquakes: A Demonstration of Seismology for Teachers and Students That Can Be Used to Augment Lessons in Earth Science, Physics, Math, Social Studies, Geography. Online ed. updated Mar. 6, 2001. Denver, CO: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

MLA (9th ed.) Citation

Lahr, John C. Table-top Earthquakes: A Demonstration of Seismology for Teachers and Students That Can Be Used to Augment Lessons in Earth Science, Physics, Math, Social Studies, Geography. Online ed. updated Mar. 6, 2001. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.