APA (7th ed.) Citation

Bird, F. M. (2008). A Pessimist in Theory and Practice. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bird, Frederic Mayer. A Pessimist in Theory and Practice. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Bird, Frederic Mayer. A Pessimist in Theory and Practice. Project Gutenberg, 2008.

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