APA (7th ed.) Citation

Farrar, J. L. (1995). Trees of the northern United States and Canada. Iowa State Univ. Press.

Chicago Style (17th ed.) Citation

Farrar, John Laird. Trees of the Northern United States and Canada. Ames: Iowa State Univ. Press, 1995.

MLA (9th ed.) Citation

Farrar, John Laird. Trees of the Northern United States and Canada. Iowa State Univ. Press, 1995.

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