APA (7e ed.) Bronvermelding

Stone, H. W. (1993). Crisis counseling (Rev. ed.). Fortress Press.

Chicago (17e ed.) Bronvermelding

Stone, Howard W. Crisis Counseling. Rev. ed. Minneapolis: Fortress Press, 1993.

MLA (8e ed.) Bronvermelding

Stone, Howard W. Crisis Counseling. Rev. ed. Fortress Press, 1993.