Cita APA (7a ed.)

Williams, R., & Johnson, P. (2008). Genetic policing: The use of DNA criminal investigations. Willan.

Cita Chicago Style (17a ed.)

Williams, Robin, y Paul Johnson. Genetic Policing: The Use of DNA Criminal Investigations. Cullompton [u.a.]: Willan, 2008.

Cita MLA (8a ed.)

Williams, Robin, y Paul Johnson. Genetic Policing: The Use of DNA Criminal Investigations. Willan, 2008.