APA-viite (7. p.)

Gardner, J. W. (1993). On leadership: With a preface to the paperback edition. Free Press.

Chicago-viite (17. p.)

Gardner, John W. On Leadership: With a Preface to the Paperback Edition. New York: Free Press, 1993.

MLA-viite (8. p.)

Gardner, John W. On Leadership: With a Preface to the Paperback Edition. Free Press, 1993.