APA (7th ed.) Citation

Slater, J. H. (2011). Book Collecting: A Guide for Amateurs. Project Gutenberg.

Chicago Style (17th ed.) Citation

Slater, J. Herbert. Book Collecting: A Guide for Amateurs. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Slater, J. Herbert. Book Collecting: A Guide for Amateurs. Project Gutenberg, 2011.

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