APA

Knorr K. E., . (1959). Nato and American security. Princenton: Prenceton University press.

Chicago

Knorr Klaus Eugen, . 1959. Nato and American security. Princenton: Prenceton University press.

Harvard

Knorr K. E., . (1959). Nato and American security. Princenton: Prenceton University press.

MLA

Knorr Klaus Eugen, . Nato and American security. Princenton: Prenceton University press. 1959.