APA (7th ed.) Citation

Egan, W. C. (2008). Making a Garden of Perennials. Project Gutenberg.

Chicago Style (17th ed.) Citation

Egan, W. C. Making a Garden of Perennials. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Egan, W. C. Making a Garden of Perennials. Project Gutenberg, 2008.

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