APA (7th ed.) Citation

Gallagher, H. G. (1995). Holocaust: The genocide of disabled people. Genocide in the twentieth century.

Chicago Style (17th ed.) Citation

Gallagher, Hugh Gregory. "Holocaust: The Genocide of Disabled People." Genocide in the Twentieth Century 1995.

MLA (8th ed.) Citation

Gallagher, Hugh Gregory. "Holocaust: The Genocide of Disabled People." Genocide in the Twentieth Century, 1995.

Warning: These citations may not always be 100% accurate.