APA (7th ed.) Citation

Koopman, B. O. (1986). AN EMPIRICAL FORMULA FOR VISUAL SEARCH. Operations Research, 34(3), 377. https://doi.org/10.1287/opre.34.3.377

Chicago Style (17th ed.) Citation

Koopman, Bernard O. "AN EMPIRICAL FORMULA FOR VISUAL SEARCH." Operations Research 34, no. 3 (1986): 377. https://doi.org/10.1287/opre.34.3.377.

MLA (9th ed.) Citation

Koopman, Bernard O. "AN EMPIRICAL FORMULA FOR VISUAL SEARCH." Operations Research, vol. 34, no. 3, 1986, p. 377, https://doi.org/10.1287/opre.34.3.377.