APA (7th ed.) Citation

Carnegie, D., & Carnegie, D. (1956). How to develop self-confidence and influence people by public speaking. Pocket Books.

Chicago Style (17th ed.) Citation

Carnegie, Dale, and Dorothy Carnegie. How to Develop Self-confidence and Influence People by Public Speaking. New York: Pocket Books, 1956.

MLA (8th ed.) Citation

Carnegie, Dale, and Dorothy Carnegie. How to Develop Self-confidence and Influence People by Public Speaking. Pocket Books, 1956.

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