Citazione APA

Eichelberger, C. M. (1970). UN: The first twenty -five years. Harper & Row.

Stile di citazione Chicago

Eichelberger, Clark M. UN: The First Twenty -five Years. New York: Harper & Row, 1970.

Citazione MLA

Eichelberger, Clark M. UN: The First Twenty -five Years. Harper & Row, 1970.