APA (7th ed.) Citation

Sigel, I. E., & Laosa, L. M. (1983). Changing Families. Springer US.

Chicago Style (17th ed.) Citation

Sigel, Irving E., and Luis M. Laosa. Changing Families. Boston, MA: Springer US, 1983.

MLA (9th ed.) Citation

Sigel, Irving E., and Luis M. Laosa. Changing Families. Springer US, 1983.