Frederiksen, N. O. (1991). Pollen zonation and correlation of Maastrichtian marine beds and associated strata, Ocean Point dinosaur locality, North Slope of Alaska. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationFrederiksen, Norman O. Pollen Zonation and Correlation of Maastrichtian Marine Beds and Associated Strata, Ocean Point Dinosaur Locality, North Slope of Alaska. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1991.
MLA (9th ed.) CitationFrederiksen, Norman O. Pollen Zonation and Correlation of Maastrichtian Marine Beds and Associated Strata, Ocean Point Dinosaur Locality, North Slope of Alaska. U.S. Dept. of the Interior, U.S. Geological Survey, 1991.
Warning: These citations may not always be 100% accurate.