APA (7th ed.) Citation

Engs, R., & Engs, R. C. (2005). The eugenics movement: An encyclopedia. Greenwood Press.

Chicago Style (17th ed.) Citation

Engs, Ruth, and Ruth C. Engs. The Eugenics Movement: An Encyclopedia. Westport, Conn. [u.a.]: Greenwood Press, 2005.

MLA (8th ed.) Citation

Engs, Ruth, and Ruth C. Engs. The Eugenics Movement: An Encyclopedia. Greenwood Press, 2005.