APA (7th ed.) Citation

Harlow, W. M. (1957). Trees of the eastern and central United States and Canada. Dover.

Chicago Style (17th ed.) Citation

Harlow, William M. Trees of the Eastern and Central United States and Canada. Nueva York: Dover, 1957.

MLA (9th ed.) Citation

Harlow, William M. Trees of the Eastern and Central United States and Canada. Dover, 1957.