Gaya APA

Ivey, A, E. et al (1993). Counseling and psychotherapy : a multicultural perspective (3rd ed). Boston, MA: Allyn and Bacon.

Gaya MLA

Ivey, Allen, E.. et al. "Counseling and psychotherapy : a multicultural perspective". 3rd ed Boston, MA: Allyn and Bacon, 1993. Text.