APA (7th ed.) Citation

Fuller, G. D. N. Forest Trees of Illinois: How to Know Them.

Chicago Style (17th ed.) Citation

Fuller, George D.; Nuuttila. Forest Trees of Illinois: How to Know Them.

MLA (9th ed.) Citation

Fuller, George D.; Nuuttila. Forest Trees of Illinois: How to Know Them.

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