APA (7th ed.) Citation

Swanson, V. E., & Berryhill, H. L., Jr. (1964). Geology of the Washington East quadrangle, Pennsylvania. The Survey.

Chicago Style (17th ed.) Citation

Swanson, Vernon Emanuel, and Henry L. Berryhill, Jr. Geology of the Washington East Quadrangle, Pennsylvania. Washington, D.C.: The Survey, 1964.

MLA (9th ed.) Citation

Swanson, Vernon Emanuel, and Henry L. Berryhill, Jr. Geology of the Washington East Quadrangle, Pennsylvania. The Survey, 1964.