Ball, O. M. (1931). A contribution to the paleobotany of the eocene of Texas. Agricultural and Mechanical College of Texas.
Chicago Style (17th ed.) CitationBall, Oscar Melville. A Contribution to the Paleobotany of the Eocene of Texas. College Station, Texas: Agricultural and Mechanical College of Texas, 1931.
MLA (9th ed.) CitationBall, Oscar Melville. A Contribution to the Paleobotany of the Eocene of Texas. Agricultural and Mechanical College of Texas, 1931.
Warning: These citations may not always be 100% accurate.