APA (7th ed.) Citation

Olson, D. H. L. (1989). Families, what makes them work (Updated ed.). Sage.

Chicago Style (17th ed.) Citation

Olson, David H. L. Families, What Makes Them Work. Updated ed. Newbury Park, Calif: Sage, 1989.

MLA (9th ed.) Citation

Olson, David H. L. Families, What Makes Them Work. Updated ed. Sage, 1989.