Cita APA

Gelso, C., Williams, E. N., & Fretz, B. R. (2014). Counseling psychology (3rd ed.). American Psychological Association.

Chicago Edition Citation

Gelso, Charles, Elizabeth Nutt Williams, i Bruce R. Fretz. Counseling Psychology. 3rd ed. Washington: American Psychological Association, 2014.

Cita MLA

Gelso, Charles, et al. Counseling Psychology. 3rd ed. American Psychological Association, 2014.