APA

Hegarty E. J., . (1952). Showmanship in public speaking. New York: McGraw-Hill.

Chicago

Hegarty Edward J, . 1952. Showmanship in public speaking. New York: McGraw-Hill.

Harvard

Hegarty E. J., . (1952). Showmanship in public speaking. New York: McGraw-Hill.

MLA

Hegarty Edward J, . Showmanship in public speaking. New York: McGraw-Hill. 1952.