APA (7th ed.) Citation

Timmcke, T. A. (1981). Palynology of the lower cretaceous Pebble Shale Unit, Point Barrow, Alaska. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Timmcke, Timothy A. Palynology of the Lower Cretaceous Pebble Shale Unit, Point Barrow, Alaska. [Menlo Park, Calif.?]: U.S. Dept. of the Interior, Geological Survey, 1981.

MLA (8th ed.) Citation

Timmcke, Timothy A. Palynology of the Lower Cretaceous Pebble Shale Unit, Point Barrow, Alaska. U.S. Dept. of the Interior, Geological Survey, 1981.