Cita APA (7a ed.)

Keal, P. (1983). Unspoken rules and superpower dominance. St. Martin's.

Cita Chicago Style (17a ed.)

Keal, Paul. Unspoken Rules and Superpower Dominance. New York: St. Martin's, 1983.

Cita MLA (9a ed.)

Keal, Paul. Unspoken Rules and Superpower Dominance. St. Martin's, 1983.