APA (7th ed.) Citation

Cook, E. T. (2010). Trees and Shrubs for English Gardens. Project Gutenberg.

Chicago Style (17th ed.) Citation

Cook, Ernest Thomas. Trees and Shrubs for English Gardens. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Cook, Ernest Thomas. Trees and Shrubs for English Gardens. Project Gutenberg, 2010.

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