APA (7th ed.) Citation

Carnegie, D., & Carnegie, D. (1998). How to develop self-confidence and influence people by public speaking. Vermillion.

Chicago Style (17th ed.) Citation

Carnegie, Dale, and Dorothy Carnegie. How to Develop Self-confidence and Influence People by Public Speaking. London: Vermillion, 1998.

MLA (9th ed.) Citation

Carnegie, Dale, and Dorothy Carnegie. How to Develop Self-confidence and Influence People by Public Speaking. Vermillion, 1998.

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