Cita APA

Armstrong, D. M. (1997). A world of states of affairs (1a. ed.). Cambridge University Press.

Citación estilo Chicago

Armstrong, D. M. A World of States of Affairs. 1a. ed. Nueva York: Cambridge University Press, 1997.

Cita MLA

Armstrong, D. M. A World of States of Affairs. 1a. ed. Cambridge University Press, 1997.