APA (7th ed.) Citation

Willett, P. (1985). Clustering tendency in chemical classifications. Journal of chemical information and computer sciences, 25(2), 78-80. https://doi.org/10.1021/ci00046a004

Chicago Style (17th ed.) Citation

Willett, Peter. "Clustering Tendency in Chemical Classifications." Journal of Chemical Information and Computer Sciences 25, no. 2 (1985): 78-80. https://doi.org/10.1021/ci00046a004.

MLA (9th ed.) Citation

Willett, Peter. "Clustering Tendency in Chemical Classifications." Journal of Chemical Information and Computer Sciences, vol. 25, no. 2, 1985, pp. 78-80, https://doi.org/10.1021/ci00046a004.