Olson, D. H. L. (1989). Families, what makes them work (Updated ed.). Sage.
Chicago Style (17th ed.) CitationOlson, David H. L. Families, What Makes Them Work. Updated ed. Newbury Park, Calif: Sage, 1989.
MLA (9th ed.) CitationOlson, David H. L. Families, What Makes Them Work. Updated ed. Sage, 1989.
Warning: These citations may not always be 100% accurate.