Jewell, J. W. (1969). An oil and gas evaluation of north Alabama. Division of Paleontology and Stratigraphy.
芝加哥风格引文Jewell, John W. An Oil and Gas Evaluation of North Alabama. University, Ala: Division of Paleontology and Stratigraphy, 1969.
MLA引文Jewell, John W. An Oil and Gas Evaluation of North Alabama. Division of Paleontology and Stratigraphy, 1969.
警告：这些引文格式不一定是100％准确.