APA

Schuman Frederick L,, . (1948). International politics, the destiny of the western state system Vol. I. New York: McGraw-Hill Book Co.

Chicago

Schuman Frederick L,, . 1948. International politics, the destiny of the western state system Vol. I. New York: McGraw-Hill Book Co.

Harvard

Schuman Frederick L,, . (1948). International politics, the destiny of the western state system Vol. I. New York: McGraw-Hill Book Co.

MLA

Schuman Frederick L,, . International politics, the destiny of the western state system Vol. I. New York: McGraw-Hill Book Co. 1948.