Cita APA (7a ed.)

Mackenzie, W. J. M. (1978). Biological Ideas in Politics: An essay on political adaptivity. Penguin Books.

Cita Chicago Style (17a ed.)

Mackenzie, W. J. M. Biological Ideas in Politics: An Essay on Political Adaptivity. London: Penguin Books, 1978.

Cita MLA (8a ed.)

Mackenzie, W. J. M. Biological Ideas in Politics: An Essay on Political Adaptivity. Penguin Books, 1978.