APA

Williamson A. B., . (1937). Speaking in public. New York: Prentice-Hall, inc.

Chicago

Williamson Arleigh B, . 1937. Speaking in public. New York: Prentice-Hall, inc.

Harvard

Williamson A. B., . (1937). Speaking in public. New York: Prentice-Hall, inc.

MLA

Williamson Arleigh B, . Speaking in public. New York: Prentice-Hall, inc. 1937.