APA (7th ed.) Citation

Shigo, A. L. (1993). 100 tree myths. Shigo and Trees Associates.

Chicago Style (17th ed.) Citation

Shigo, Alex L. 100 Tree Myths. Durham, NH, U.S.A.: Shigo and Trees Associates, 1993.

MLA (9th ed.) Citation

Shigo, Alex L. 100 Tree Myths. Shigo and Trees Associates, 1993.

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