Cita APA (7a ed.)

Andrews, H. N. (1970). Index of generic names of fossil plants, 1820-1965: Based on the compendium index of paleobotany of the U.S. Geological Survey. U.S. Geological Survey.

Cita Chicago Style (17a ed.)

Andrews, Henry N. Index of Generic Names of Fossil Plants, 1820-1965: Based on the Compendium Index of Paleobotany of the U.S. Geological Survey. Washington, D C: U.S. Geological Survey, 1970.

Cita MLA (8a ed.)

Andrews, Henry N. Index of Generic Names of Fossil Plants, 1820-1965: Based on the Compendium Index of Paleobotany of the U.S. Geological Survey. U.S. Geological Survey, 1970.