Cita APA (7a ed.)

McLaren, D., Bullock, S., & Yousuf, N. (1998). Tomorrow's world: Britain's share in a sustainable future. Earthscan.

Cita Chicago Style (17a ed.)

McLaren, Duncan, Simon Bullock, y Nusrat Yousuf. Tomorrow's World: Britain's Share in a Sustainable Future. London: Earthscan, 1998.

Cita MLA (8a ed.)

McLaren, Duncan, et al. Tomorrow's World: Britain's Share in a Sustainable Future. Earthscan, 1998.