APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Knowles, Malcolm S., Elwood F. Holton, and Richard A. Swanson. The Adult Learner: The Definitive Classic in Adult Education and Human Resource Development. 6. ed. Amsterdam [u.a.]: Elsevier Butterworth-Heinemann, 2005.

MLA (9th ed.) Citation

Knowles, Malcolm S., et al. The Adult Learner: The Definitive Classic in Adult Education and Human Resource Development. 6. ed. Elsevier Butterworth-Heinemann, 2005.