APA (7th ed.) Citation

Atkinson, W. W. (2013). Practical Psychomancy and Crystal Gazing. Project Gutenberg.

Chicago Style (17th ed.) Citation

Atkinson, William Walker. Practical Psychomancy and Crystal Gazing. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Atkinson, William Walker. Practical Psychomancy and Crystal Gazing. Project Gutenberg, 2013.

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