MacDougal, D. T., Overton, J. B., & Smith, G. M. (1929). The hydrostatic-pneumatic system of certain trees: Movements of liquids and gases. Carnegie institution of Washington.
Chicago Style (17th ed.) CitationMacDougal, Daniel Trembly, James B. Overton, and Gilbert Morgan Smith. The Hydrostatic-pneumatic System of Certain Trees: Movements of Liquids and Gases. Washington: Carnegie institution of Washington, 1929.
MLA (9th ed.) CitationMacDougal, Daniel Trembly, et al. The Hydrostatic-pneumatic System of Certain Trees: Movements of Liquids and Gases. Carnegie institution of Washington, 1929.
Warning: These citations may not always be 100% accurate.