Parsons, M. C. The Esophageal Valve of Some Aquatic Hemiptera. Wiley.
Chicago Style (17th ed.) CitationParsons, Margaret C. The Esophageal Valve of Some Aquatic Hemiptera. Wiley.
MLA (9th ed.) CitationParsons, Margaret C. The Esophageal Valve of Some Aquatic Hemiptera. Wiley.
Warning: These citations may not always be 100% accurate.