APA

Fiedler F. E., . (1967). A theory of leadership effectiveness. New York: McGraw-Hill.

Chicago

Fiedler Fred Edward, . 1967. A theory of leadership effectiveness. New York: McGraw-Hill.

Harvard

Fiedler F. E., . (1967). A theory of leadership effectiveness. New York: McGraw-Hill.

MLA

Fiedler Fred Edward, . A theory of leadership effectiveness. New York: McGraw-Hill. 1967.