Cita APA (7th ed.)

Gould, P., & White, R. (1974). Mental maps. Penguin.

Cita Chicago (17th ed.)

Gould, Peter, i Rodney White. Mental Maps. Harmondsworth: Penguin, 1974.

Cita MLA (9th ed.)

Gould, Peter, i Rodney White. Mental Maps. Penguin, 1974.