APA (7th ed.) Citation

Snyder, C. D., Webb, J. R., & Johnson, Z. B. (2013). Significance of headwater streams and perennial springs in ecological monitoring in Shenandoah National Park. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Snyder, Craig D., James R. Webb, and Zane B. Johnson. Significance of Headwater Streams and Perennial Springs in Ecological Monitoring in Shenandoah National Park. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2013.

MLA (9th ed.) Citation

Snyder, Craig D., et al. Significance of Headwater Streams and Perennial Springs in Ecological Monitoring in Shenandoah National Park. U.S. Department of the Interior, U.S. Geological Survey, 2013.