APA

Gardner J. W., . (1961). Excellence, can we be equal and excellent too?. New York: Harper.

Chicago

Gardner John William, . 1961. Excellence, can we be equal and excellent too?. New York: Harper.

Harvard

Gardner J. W., . (1961). Excellence, can we be equal and excellent too?. New York: Harper.

MLA

Gardner John William, . Excellence, can we be equal and excellent too?. New York: Harper. 1961.