Citazione Stile APA (7a Edizione)

Elsdon, K. T. (2003). Crisis of opportunity: Perspectives on adult education and humanism. NIACE.

Citazione stile Chigago Style (17a edizione)

Elsdon, Konrad Theodore. Crisis of Opportunity: Perspectives on Adult Education and Humanism. Leicester: NIACE, 2003.

Citatione MLA (9a ed.)

Elsdon, Konrad Theodore. Crisis of Opportunity: Perspectives on Adult Education and Humanism. NIACE, 2003.