APA (7th ed.) Citation

Blavatsky, H. P. (2014). Nightmare Tales. Project Gutenberg.

Chicago Style (17th ed.) Citation

Blavatsky, H. P. Nightmare Tales. Project Gutenberg, 2014.

MLA (9th ed.) Citation

Blavatsky, H. P. Nightmare Tales. Project Gutenberg, 2014.

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