APA (7th ed.) Zitazioa

Greenfield, G. M., Keup, J. R., & Gardner, J. N. (2013). Developing and sustaining successful first-year programs: A guide for practitioners. Jossey-Bass.

Chicago Style (17th ed.) Zitazioa

Greenfield, Gerald Michael, Jennifer R. Keup, eta John N. Gardner. Developing and Sustaining Successful First-year Programs: A Guide for Practitioners. San Francisco, Calif.: Jossey-Bass, 2013.

MLA (9th ed.) Zitazioa

Greenfield, Gerald Michael, et al. Developing and Sustaining Successful First-year Programs: A Guide for Practitioners. Jossey-Bass, 2013.