APA (7th ed.) Citation

Crawford, M. (2010). The Gladiolus: A Practical Treatise on the Culture of the Gladiolus. Project Gutenberg.

Chicago Style (17th ed.) Citation

Crawford, Matthew. The Gladiolus: A Practical Treatise on the Culture of the Gladiolus. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Crawford, Matthew. The Gladiolus: A Practical Treatise on the Culture of the Gladiolus. Project Gutenberg, 2010.

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