APA (7th ed.) Citation

Fisher, D. H. (1991). Concept formation: Knowledge and experience in unsupervised learning. Kaufmann.

Chicago Style (17th ed.) Citation

Fisher, Douglas H. Concept Formation: Knowledge and Experience in Unsupervised Learning. San Mateo, Calif: Kaufmann, 1991.

MLA (9th ed.) Citation

Fisher, Douglas H. Concept Formation: Knowledge and Experience in Unsupervised Learning. Kaufmann, 1991.