Cita APA (7a ed.)

Metzger, W. J. (1965). Pennsylvanian stratigraphy of the Warrior Basin, Alabama: Circular 30. Geological Survey of Alabama.

Cita Chicago Style (17a ed.)

Metzger, William J. Pennsylvanian Stratigraphy of the Warrior Basin, Alabama: Circular 30. Alabama: Geological Survey of Alabama, 1965.

Cita MLA (8a ed.)

Metzger, William J. Pennsylvanian Stratigraphy of the Warrior Basin, Alabama: Circular 30. Geological Survey of Alabama, 1965.