Cita APA (7th ed.)

National Council on Family Relations, Draper, T., & Marcos, A. C. (1990). Family variables: Conceptualization, measurement, and use. Sage Publications.

Cita Chicago (17th ed.)

National Council on Family Relations, Thomas Draper, i Anastasios C. Marcos. Family Variables: Conceptualization, Measurement, and Use. Newbury Park, Calif: Sage Publications, 1990.

Cita MLA (9th ed.)

National Council on Family Relations, et al. Family Variables: Conceptualization, Measurement, and Use. Sage Publications, 1990.