Cita APA (7a ed.)

Wals, A. E. J. (2009). Social learning towards a sustainable world: Principles, perspectives, and praxis. Wageningen Academic Publishers.

Cita Chicago Style (17a ed.)

Wals, Arjen E. J. Social Learning Towards a Sustainable World: Principles, Perspectives, and Praxis. [Wageningen], The Netherlands: Wageningen Academic Publishers, 2009.

Cita MLA (9a ed.)

Wals, Arjen E. J. Social Learning Towards a Sustainable World: Principles, Perspectives, and Praxis. Wageningen Academic Publishers, 2009.