Cita APA (7a ed.)

Walker, A. (1978). The Commonwealth: A new look. Pergamon Press.

Cita Chicago Style (17a ed.)

Walker, Andrew. The Commonwealth: A New Look. Oxford ; New York: Pergamon Press, 1978.

Cita MLA (8a ed.)

Walker, Andrew. The Commonwealth: A New Look. Pergamon Press, 1978.