APA Zitierstil

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

Chicago Zitierstil

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

MLA Zitierstil

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