Cita APA (7th ed.)

Hall, P., & Editot by Hall ,peter. (1974). The Penguin world atlas. Penguin.

Cita Chicago (17th ed.)

Hall, Peter, i Editot by Hall ,peter. The Penguin World Atlas. Harmondsworth: Penguin, 1974.

Cita MLA (9th ed.)

Hall, Peter, i Editot by Hall ,peter. The Penguin World Atlas. Penguin, 1974.