APA

Hoffmann S., . (1960). Contemporary theory in international relations. Englewood Cliffs, N. J: Prentice - Hall.

Chicago

Hoffmann Stanley, . 1960. Contemporary theory in international relations. Englewood Cliffs, N. J: Prentice - Hall.

Harvard

Hoffmann S., . (1960). Contemporary theory in international relations. Englewood Cliffs, N. J: Prentice - Hall.

MLA

Hoffmann Stanley, . Contemporary theory in international relations. Englewood Cliffs, N. J: Prentice - Hall. 1960.