St. John, H. (1965). MONOGRAPH OF THE GENUS ELODEA: PART 4 AND SUMMARY. I. Monograph of the genus Elodea, part 4: The species of Eastern and Central North America. Zenodo.
Chicago Style (17th ed.) CitationSt. John, Harold. MONOGRAPH OF THE GENUS ELODEA: PART 4 AND SUMMARY. I. Monograph of the Genus Elodea, Part 4: The Species of Eastern and Central North America. Zenodo, 1965.
MLA (9th ed.) CitationSt. John, Harold. MONOGRAPH OF THE GENUS ELODEA: PART 4 AND SUMMARY. I. Monograph of the Genus Elodea, Part 4: The Species of Eastern and Central North America. Zenodo, 1965.
Warning: These citations may not always be 100% accurate.