ALLEN, R. D., FRANCIS, D., & ZEH, R. (1971). Direct Test of the Positive Pressure Gradient Theory of Pseudopod Extension and Retraction in Amoebae. Science (pre-March 2025), 174(4015), 1237. https://doi.org/10.1126/science.174.4015.1237
Chicago Style (17th ed.) CitationALLEN, ROBERT DAY, DAVID FRANCIS, and ROBERT ZEH. "Direct Test of the Positive Pressure Gradient Theory of Pseudopod Extension and Retraction in Amoebae." Science (pre-March 2025) 174, no. 4015 (1971): 1237. https://doi.org/10.1126/science.174.4015.1237.
MLA (9th ed.) CitationALLEN, ROBERT DAY, et al. "Direct Test of the Positive Pressure Gradient Theory of Pseudopod Extension and Retraction in Amoebae." Science (pre-March 2025), vol. 174, no. 4015, 1971, p. 1237, https://doi.org/10.1126/science.174.4015.1237.