Smithsonian Institution. (1918). Contributions to geology and paleontology of Canal Zone, Panama, and geologically related areas in Central America and West Indies. GPO.
Chicago Style (17th ed.) CitationSmithsonian Institution. Contributions to Geology and Paleontology of Canal Zone, Panama, and Geologically Related Areas in Central America and West Indies. [Washington]: GPO, 1918.
MLA (9th ed.) CitationSmithsonian Institution. Contributions to Geology and Paleontology of Canal Zone, Panama, and Geologically Related Areas in Central America and West Indies. GPO, 1918.
Warning: These citations may not always be 100% accurate.