Woodring, W. P. (1957). Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of Tertiary mollusks (gastropods). U.S. G.P.O..
Chicago Style (17th ed.) CitationWoodring, W. P. Geology and Paleontology of Canal Zone and Adjoining Parts of Panama: Description of Tertiary Mollusks (gastropods). Washington: U.S. G.P.O., 1957.
MLA (9th ed.) CitationWoodring, W. P. Geology and Paleontology of Canal Zone and Adjoining Parts of Panama: Description of Tertiary Mollusks (gastropods). U.S. G.P.O., 1957.
Warning: These citations may not always be 100% accurate.