APA (7th ed.) Citation

Gough, V. (1968). Impromptu speaking (2d ed.). Pergamon Press.

Chicago Style (17th ed.) Citation

Gough, Vera. Impromptu Speaking. 2d ed. Oxford, New York: Pergamon Press, 1968.

MLA (9th ed.) Citation

Gough, Vera. Impromptu Speaking. 2d ed. Pergamon Press, 1968.