Marshall, E. K., & Kurtz, P. D. (1982). Interpersonal helping skills. San Francisco : Jossey-Bass.
Chicago Style (17th ed.) CitationMarshall, Eldon K., and P. David Kurtz. Interpersonal Helping Skills. San Francisco : Jossey-Bass, 1982.
MLA (9th ed.) CitationMarshall, Eldon K., and P. David Kurtz. Interpersonal Helping Skills. San Francisco : Jossey-Bass, 1982.
Warning: These citations may not always be 100% accurate.