APA (7th ed.) Citation

Standley, P. C. Trees and shrubs of Mexico. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Standley, Paul C. Trees and Shrubs of Mexico. Washington, DC: Gov. Print. Off.

MLA (9th ed.) Citation

Standley, Paul C. Trees and Shrubs of Mexico. Gov. Print. Off.

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