APA (7th ed.) Citation

Wheatley, H. B. (2013). How to Catalogue a Library. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wheatley, Henry B. How to Catalogue a Library. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Wheatley, Henry B. How to Catalogue a Library. Project Gutenberg, 2013.

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