APA (7th ed.) Citation

Pipiringos, G. N., & O'Sullivan, R. B. (1978). Principal unconformities in Triassic and Jurassic rocks, Western Interior United States - a preliminary survey: Description of nine widespread unconformities in Triassic and Jurassic rocks. U.S. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Pipiringos, George N., and Robert B. O'Sullivan. Principal Unconformities in Triassic and Jurassic Rocks, Western Interior United States - a Preliminary Survey: Description of Nine Widespread Unconformities in Triassic and Jurassic Rocks. Washington: U.S. Gov. Print. Off, 1978.

MLA (9th ed.) Citation

Pipiringos, George N., and Robert B. O'Sullivan. Principal Unconformities in Triassic and Jurassic Rocks, Western Interior United States - a Preliminary Survey: Description of Nine Widespread Unconformities in Triassic and Jurassic Rocks. U.S. Gov. Print. Off, 1978.