APA (7th ed.) Citation

Robertson, M., Ley, A., & Light, E. (2019). The First into the Dark: The Nazi Persecution of the Disabled.

Chicago Style (17th ed.) Citation

Robertson, Michael, Astrid Ley, and Edwina Light. The First into the Dark: The Nazi Persecution of the Disabled. Broadway, Australia, 2019.

MLA (9th ed.) Citation

Robertson, Michael, et al. The First into the Dark: The Nazi Persecution of the Disabled. 2019.