Cita APA (7a ed.)

Grell, O. P., Cunningham, A., & Roeck, B. (2005). Health care and poor relief in 18th and 19th century southern Europe. Ashgate.

Cita Chicago Style (17a ed.)

Grell, Ole Peter, Andrew Cunningham, y Bernd Roeck. Health Care and Poor Relief in 18th and 19th Century Southern Europe. Aldershot ; Burlington: Ashgate, 2005.

Cita MLA (9a ed.)

Grell, Ole Peter, et al. Health Care and Poor Relief in 18th and 19th Century Southern Europe. Ashgate, 2005.