APA (7th ed.) Citation

Andersen, H. C. (1990). The emperor's new suit. Project Gutenberg.

Chicago Style (17th ed.) Citation

Andersen, Hans Christian. The Emperor's New Suit. Champaign, Ill: Project Gutenberg, 1990.

MLA (9th ed.) Citation

Andersen, Hans Christian. The Emperor's New Suit. Project Gutenberg, 1990.