APA (7th ed.) Citation

KNOWLES, M. S. H. (2005). The adult learner: : the definitive classic in adult education and human resource development. Elsevier.

Chicago Style (17th ed.) Citation

KNOWLES, Malcom S. HOLTON. The Adult Learner: : The Definitive Classic in Adult Education and Human Resource Development. Elsevier, 2005.

MLA (9th ed.) Citation

KNOWLES, Malcom S. HOLTON. The Adult Learner: : The Definitive Classic in Adult Education and Human Resource Development. Elsevier, 2005.