APA (7th ed.) Citation

Siegel, D., & Wildt, R. d. (2016). Ethical concerns in research on human trafficking. Studies of organized crime. doi:10.1007/978-3-319-21521-1

Chicago Style (17th ed.) Citation

Siegel, Dina, and Roos de Wildt. "Ethical Concerns in Research on Human Trafficking." Studies of Organized Crime 2016. https://doi.org/10.1007/978-3-319-21521-1.

MLA (8th ed.) Citation

Siegel, Dina, and Roos de Wildt. "Ethical Concerns in Research on Human Trafficking." Studies of Organized Crime, 2016, https://doi.org/10.1007/978-3-319-21521-1.