Cita APA (7a ed.)

Brown, P., Martin, P., & Scullion, L. (2014). Migrant Roma in the United Kingdom and the need to estimate population size. Sheffield Hallam University.

Cita Chicago Style (17a ed.)

Brown, Philip, Philip Martin, y Lisa Scullion. Migrant Roma in the United Kingdom and the Need to Estimate Population Size. Sheffield Hallam University, 2014.

Cita MLA (8a ed.)

Brown, Philip, et al. Migrant Roma in the United Kingdom and the Need to Estimate Population Size. Sheffield Hallam University, 2014.