Citação norma APA

Dale Carnegie. (2011). How to develop self confidence and influence people by public speaking. Harmony books.

Citação norma Chicago

Dale Carnegie. How to Develop Self Confidence and Influence People by Public Speaking. Kozhikode: Harmony books, 2011.

Citação norma MLA

Dale Carnegie. How to Develop Self Confidence and Influence People by Public Speaking. Harmony books, 2011.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.