APA (7th ed.) Citation

COOK, S. W., & Welch, A. C. (1940). Methods of measuring the practical effect of polls of public opinion. Journal of Applied Psychology, 24, 441. https://doi.org/10.1037/h0061199

Chicago Style (17th ed.) Citation

COOK, Stuart W., and A. C. Welch. "Methods of Measuring the Practical Effect of Polls of Public Opinion." Journal of Applied Psychology 24 (1940): 441. https://doi.org/10.1037/h0061199.

MLA (9th ed.) Citation

COOK, Stuart W., and A. C. Welch. "Methods of Measuring the Practical Effect of Polls of Public Opinion." Journal of Applied Psychology, vol. 24, 1940, p. 441, https://doi.org/10.1037/h0061199.