Cita APA (7th ed.)

Merriam, S. B., Caffarella, R. S., & Baumgartner, L. (2007). Learning in adulthood: A comprehensive guide (Third edition.). Jossey-Bass.

Cita Chicago (17th ed.)

Merriam, Sharan B., Rosemary S. Caffarella, i Lisa Baumgartner. Learning in Adulthood: A Comprehensive Guide. Third edition. San Francisco: Jossey-Bass, 2007.

Cita MLA (8th ed.)

Merriam, Sharan B., et al. Learning in Adulthood: A Comprehensive Guide. Third edition. Jossey-Bass, 2007.