APA (7th ed.) Citation

R, C., & CB, R. (1939). REMARKS ON THE CENTER OF POPULATION. Science (New York, N.Y.), 90(2340), 418. https://doi.org/10.1126/science.90.2340.418-a

Chicago Style (17th ed.) Citation

R, Church, and Read CB. "REMARKS ON THE CENTER OF POPULATION." Science (New York, N.Y.) 90, no. 2340 (1939): 418. https://doi.org/10.1126/science.90.2340.418-a.

MLA (9th ed.) Citation

R, Church, and Read CB. "REMARKS ON THE CENTER OF POPULATION." Science (New York, N.Y.), vol. 90, no. 2340, 1939, p. 418, https://doi.org/10.1126/science.90.2340.418-a.