APA (7th ed.) Citation

Dircks, H. (2013). Scientific Studies or Practical, in Contrast with Chimerical Pursuits; etc, etc, etc. Project Gutenberg.

Chicago Style (17th ed.) Citation

Dircks, Henry. Scientific Studies or Practical, in Contrast with Chimerical Pursuits; Etc, Etc, Etc. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Dircks, Henry. Scientific Studies or Practical, in Contrast with Chimerical Pursuits; Etc, Etc, Etc. Project Gutenberg, 2013.

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