APA

Simmonds G. W., . (1967). Soviet leaders. New York: T. Y. Crowell Co.

Chicago

Simmonds George W, . 1967. Soviet leaders. New York: T. Y. Crowell Co.

Harvard

Simmonds G. W., . (1967). Soviet leaders. New York: T. Y. Crowell Co.

MLA

Simmonds George W, . Soviet leaders. New York: T. Y. Crowell Co. 1967.