APA (7th ed.) Citation

Frederiksen, N. O. (1980). Sporomorphs from the Jackson Group (upper Eocene) and adjacent strata of Mississippi and western Alabama. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Frederiksen, Norman O. Sporomorphs from the Jackson Group (upper Eocene) and Adjacent Strata of Mississippi and Western Alabama. Washington: United States Department of the Interior, Geological Survey, 1980.

MLA (9th ed.) Citation

Frederiksen, Norman O. Sporomorphs from the Jackson Group (upper Eocene) and Adjacent Strata of Mississippi and Western Alabama. United States Department of the Interior, Geological Survey, 1980.