Cita APA (7th ed.)

Gale Group, Reis, H. T., & Sprecher, S. (2009). Encyclopedia of human relationships. Sage Publications.

Cita Chicago (17th ed.)

Gale Group, Harry T. Reis, i Susan Sprecher. Encyclopedia of Human Relationships. Thousand Oaks, Calif: Sage Publications, 2009.

Cita MLA (9th ed.)

Gale Group, et al. Encyclopedia of Human Relationships. Sage Publications, 2009.