Cita APA (7a ed.)

Ali, R., Barnes, I., Cairns, B., Finlayson, A., Bhala, N., Mallath, M., & Beral, V. (2013). Incidence of gastrointestinal cancers by ethnic group in England, 2001-2007.

Cita Chicago Style (17a ed.)

Ali, R., I. Barnes, B. Cairns, A. Finlayson, N. Bhala, M. Mallath, y V. Beral. Incidence of Gastrointestinal Cancers by Ethnic Group in England, 2001-2007. 2013.

Cita MLA (9a ed.)

Ali, R., et al. Incidence of Gastrointestinal Cancers by Ethnic Group in England, 2001-2007. 2013.