APA (7th ed.) Citation

Summers, V. (1988). Public speaking. Penguin.

Chicago Style (17th ed.) Citation

Summers, Vivian. Public Speaking. London, England: Penguin, 1988.

MLA (8th ed.) Citation

Summers, Vivian. Public Speaking. Penguin, 1988.

Warning: These citations may not always be 100% accurate.