Cita APA (7a ed.)

Harris, B., & Bridgen, P. (2008). Charity and mutual aid in Europe and North America since 1800. Routledge.

Cita Chicago Style (17a ed.)

Harris, Bernard, y Paul Bridgen. Charity and Mutual Aid in Europe and North America Since 1800. New York ; London: Routledge, 2008.

Cita MLA (9a ed.)

Harris, Bernard, y Paul Bridgen. Charity and Mutual Aid in Europe and North America Since 1800. Routledge, 2008.