APA (7th ed.) Citation

Savage, A. D., & Parsons, P. B. (2009). Trees Are Where You Find Them. Project Gutenberg.

Chicago Style (17th ed.) Citation

Savage, Arthur Dekker, and Philip B. Parsons. Trees Are Where You Find Them. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Savage, Arthur Dekker, and Philip B. Parsons. Trees Are Where You Find Them. Project Gutenberg, 2009.

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