Cita APA (7a ed.)

Vernon, P. E. (1972). Creativity: Selected readings. Penguin Books.

Cita Chicago Style (17a ed.)

Vernon, Philip E. Creativity: Selected Readings. Harmondsworth: Penguin Books, 1972.

Cita MLA (9a ed.)

Vernon, Philip E. Creativity: Selected Readings. Penguin Books, 1972.