Citazione APA

Younghusband, G. J., & Younghusband, F. E. (1976). The relief of Chitral. English Book House.

Stile di citazione Chicago

Younghusband, G. J., e Francis Edward Younghusband. The Relief of Chitral. Lahore: English Book House, 1976.

Citazione MLA

Younghusband, G. J., e Francis Edward Younghusband. The Relief of Chitral. English Book House, 1976.