APA (7th ed.) Citation

Reed, J. C., Jr. (1969). Ancient lavas in Shenandoah National Park near Luray, Virginia: A description of the volcanic rocks of the upper Precambrian (?) Catoctin Formation and a discussion of their environment and mode of eruption. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Reed, John Calvin, Jr. Ancient Lavas in Shenandoah National Park Near Luray, Virginia: A Description of the Volcanic Rocks of the Upper Precambrian (?) Catoctin Formation and a Discussion of Their Environment and Mode of Eruption. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1969.

MLA (9th ed.) Citation

Reed, John Calvin, Jr. Ancient Lavas in Shenandoah National Park Near Luray, Virginia: A Description of the Volcanic Rocks of the Upper Precambrian (?) Catoctin Formation and a Discussion of Their Environment and Mode of Eruption. United States Department of the Interior, Geological Survey, 1969.