MacDougal, D. T. (1925). Reversible variations in volume, pressure, and movements of sap in trees. Carnegie institution of Washington.
Chicago Style (17th ed.) CitationMacDougal, Daniel Trembly. Reversible Variations in Volume, Pressure, and Movements of Sap in Trees. Washington: Carnegie institution of Washington, 1925.
MLA (9th ed.) CitationMacDougal, Daniel Trembly. Reversible Variations in Volume, Pressure, and Movements of Sap in Trees. Carnegie institution of Washington, 1925.
Warning: These citations may not always be 100% accurate.