APA (7th ed.) Citation

Gale Group & Salkind, N. J. (2006). Encyclopedia of human development. Sage Publications.

Chicago Style (17th ed.) Citation

Gale Group and Neil J. Salkind. Encyclopedia of Human Development. Thousand Oaks, Calif: Sage Publications, 2006.

MLA (9th ed.) Citation

Gale Group and Neil J. Salkind. Encyclopedia of Human Development. Sage Publications, 2006.