APA (7th ed.) Citation

Burroughs, E. R. (1995). The Mad King. Project Gutenberg.

Chicago Style (17th ed.) Citation

Burroughs, Edgar Rice. The Mad King. Project Gutenberg, 1995.

MLA (9th ed.) Citation

Burroughs, Edgar Rice. The Mad King. Project Gutenberg, 1995.

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