Cita APA (7th ed.)

Merriam, S. B., Baumgartner, L. M., & Caffarella, R. S. (2006). Learning in adulthood: A comprehensive guide (3rd ed.). Jossey-Bass.

Cita Chicago (17th ed.)

Merriam, Sharan B., Lisa M. Baumgartner, i Rosemary S. Caffarella. Learning in Adulthood: A Comprehensive Guide. 3rd ed. San Francisco, CA: Jossey-Bass, 2006.

Cita MLA (9th ed.)

Merriam, Sharan B., et al. Learning in Adulthood: A Comprehensive Guide. 3rd ed. Jossey-Bass, 2006.