Citazione APA

Sewell, R., Nunes, F., & Paes, D. (1970). Forgotten empire/2e (2nd ed.). National Book Trust, India.

Stile di citazione Chicago

Sewell, Robert, Fernão Nunes, e Domingos Paes. Forgotten Empire/2e. 2nd ed. New Delhi: National Book Trust, India, 1970.

Citazione MLA

Sewell, Robert, et al. Forgotten Empire/2e. 2nd ed. National Book Trust, India, 1970.