Cita APA (7a ed.)

Evans, F. C., Clout, H. D., & Morgan, M. A. (1976). The regional problem in Western Europe (1. publ.). Cambridge Univ. Press.

Cita Chicago Style (17a ed.)

Evans, F. C., Hugh D. Clout, y M. A. Morgan. The Regional Problem in Western Europe. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1976.

Cita MLA (9a ed.)

Evans, F. C., et al. The Regional Problem in Western Europe. 1. publ. Cambridge Univ. Press, 1976.