Παραπομπή σε μορφή APA (7η εκδ.)

Whitelegg, J. (1997). Critical mass: Transport, environment and society in the twenty-first century. Pluto Press in association with WWF.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Whitelegg, John. Critical Mass: Transport, Environment and Society in the Twenty-first Century. London: Pluto Press in association with WWF, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Whitelegg, John. Critical Mass: Transport, Environment and Society in the Twenty-first Century. Pluto Press in association with WWF, 1997.