APA (7th ed.) Citation

Bastin, S. L. (2014). How to Know the Ferns. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bastin, S. Leonard. How to Know the Ferns. Project Gutenberg, 2014.

MLA (9th ed.) Citation

Bastin, S. Leonard. How to Know the Ferns. Project Gutenberg, 2014.

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