Cita APA (7a ed.)

Farmer, A., Stiles, A., Randell, K., & Pearce, R. (2007). The unification of Germany 1815 - 1919 (3. ed.). Hodder Murray.

Cita Chicago Style (17a ed.)

Farmer, Alan, Andrina Stiles, Keith Randell, y Robert Pearce. The Unification of Germany 1815 - 1919. 3. ed. London [u.a.]: Hodder Murray, 2007.

Cita MLA (9a ed.)

Farmer, Alan, et al. The Unification of Germany 1815 - 1919. 3. ed. Hodder Murray, 2007.