APA (7th ed.) Citation

Knowles, M. S., Holton, E., & Swanson, R. A. (2005). The adult learner: The definitive classic in adult education and human resource development (6th ed.). Elsevier Butterworth Hainemann.

Chicago Style (17th ed.) Citation

Knowles, Malcolm Shepherd, Ed Holton, and Richard A. Swanson. The Adult Learner: The Definitive Classic in Adult Education and Human Resource Development. 6th ed. Amsterdam: Elsevier Butterworth Hainemann, 2005.

MLA (9th ed.) Citation

Knowles, Malcolm Shepherd, et al. The Adult Learner: The Definitive Classic in Adult Education and Human Resource Development. 6th ed. Elsevier Butterworth Hainemann, 2005.