APA (7th ed.) Citation

Woodring, W. P. (1970). Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of tertiary mollusks (gastropods: Eulimidae, Marginellidae to Helminthoglyptidae). United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Woodring, W. P. Geology and Paleontology of Canal Zone and Adjoining Parts of Panama: Description of Tertiary Mollusks (gastropods: Eulimidae, Marginellidae to Helminthoglyptidae). Washington: United States Department of the Interior, Geological Survey, 1970.

MLA (9th ed.) Citation

Woodring, W. P. Geology and Paleontology of Canal Zone and Adjoining Parts of Panama: Description of Tertiary Mollusks (gastropods: Eulimidae, Marginellidae to Helminthoglyptidae). United States Department of the Interior, Geological Survey, 1970.